Amy Held

Updated at 2:45 p.m. ET

Olympic gymnast Aly Raisman filed a lawsuit Wednesday against the U.S. Olympic Committee and USA Gymnastics, saying the organizations "knew or should have known" about team doctor Larry Nassar's longstanding, widespread abuse, and yet failed to act.

Raisman says she suffered "serial molestation, sexual abuse and harassment" by Nassar, a "trusted" team physician, who is also named in the lawsuit.

Oakland, Calif., Mayor Libby Schaaf says she has no regrets about warning residents of an impending raid by Immigration and Customs Enforcement, even as the agency blasted the move as politically motivated and reckless.

It comes as sanctuary jurisdictions — a loose term generally used to describe areas whose laws do not require cooperation with federal immigration officials — butt up against the Trump administration's crackdown on enforcement.

Stemming from Siberia then sweeping south to the Mediterranean and west across much of Europe, unusual cold and snow are bringing picturesque vistas — as well as misery and turmoil — this week.

Airports have ground to a halt, schools have shut down, and several people have died.

Under growing pressure to quit, Scott Blackmun, CEO of the United States Olympic Committee, resigned "due to ongoing health issues resulting from prostate cancer," according to a USOC statement on Wednesday.

Board member Susanne Lyons will step in as the acting CEO until a permanent replacement is named.

President Trump and congressional leaders honored the late Rev. Billy Graham Wednesday at a rare memorial ceremony in the Capitol rotunda, one week after the 99-year-old evangelist died at his Montreat, N.C., home.

One day after a circuit court judge ruled that the tarps draped over controversial Confederate statues in Charlottesville, Va., be removed, the city says it complied, lifting the coverings early Wednesday morning.

It's not called a snail's pace for nothing, but just how slow is too slow for the mollusk to move? According to a pub in England, hibernation is where they draw the line.

The Dartmoor Union Inn in Devon was promoting a snail racing championship for Saturday, promising guests, "each thrilling race will last about 4 minutes with guests able to bet on their favourite snail."

Proceeds would go toward city emergency services.

Except it's so cold in the United Kingdom that even the snails are hunkering down.

When Boko Haram extremists snatched 276 girls from a boarding school in northeast Nigeria in 2014, the world reacted and rallied around the cry of "bring back our girls." But now, some four years later, it appears to be happening again.

As the Olympic Games in Pyeongchang that saw the two Koreas come together — if briefly — came to a close on Sunday, another potential sign of détente emerged; North Korea said it was willing to hold talks with the United States, according to South Korea's presidential Blue House.

Updated at 9:25 p.m. ET

The White House went on lockdown for a while on Friday afternoon after a female driver struck a nearby security barrier and was "immediately apprehended" by officers, according to the Secret Service.

The agency said in a statement it has had "previous encounters" with the woman they say is 35, white and from LaVergne, Tenn. The statement said she has been charged with "numerous criminal violations," and turned over to Washington, D.C., police.

Updated at 6:35 p.m. ET Saturday

As a groundswell grows against the National Rifle Association in the aftermath of last week's school massacre in Parkland, Fla., several businesses say they are ending their partnerships with the gun advocacy group.

The brands — ranging from insurance companies to airlines to rental car agencies — announced their decisions on social media, many apparently in direct response to tweets demanding change under the trending hashtag #boycottNRA.

State legislators in Florida came together on Wednesday — the same day student activists gathered outside the House chamber in Tallahassee to demand stricter gun laws, one week after the school massacre in Parkland — to pass a measure related to schools, but not guns.

No immediate relief is in sight for a swath of the Midwest where heavy rain, melting snow and rising rivers have shuttered schools, closed roads and prompted several evacuations.

Black Panther pounced on the weekend box office, breaking cultural barriers and earning the highest debut ever for a February film, with an estimated three-day domestic gross of $192 million, said Disney, Marvel's parent company.

The opening was the fifth highest-earning of any film, according to Disney. The only other movies that have brought in more are Star Wars: The Force Awakens, Star Wars: The Last Jedi, Jurassic World and The Avengers, according to The Associated Press.

President Trump spent the weekend at his Mar-a-Lago resort tweeting about the Russia investigation after a federal grand jury on Friday indicted 13 Russians and three Russian companies in connection with what prosecutors describe as a covert Russian campaign to help Trump win the presidency.

All 65 people aboard an Aseman Airlines plane were feared dead when it slammed into Mount Dena in central Iran Sunday during a bout of bad weather, authorities told the Iranian state broadcaster.

But there was so much fog and rain that rescue crews had been unable to reach the crash site via helicopter and were hoping a drone could aid in their search, reports IRNA, the country's official news agency.

Updated Feb. 18 at 9 a.m. ET

President Trump chided his national security adviser on Sunday, tweeting that H.R. McMaster "forgot to say that the results of the 2016 election were not impacted or changed by the Russians."

McMaster said on Saturday that it is now "incontrovertible" Russia interfered in the 2016 election.

Thirteen people died and 15 were injured Friday night after a military helicopter carrying government officials assessing earthquake damage crashed in southern Mexico, said the Oaxaca state prosecutor's office.

Her murder triggered rioting in Pakistan and rippled the world-over, and on Saturday the man convicted in 7-year-old Zainab Ansari's death was sentenced to die four times over.

Mohammad Imran, a local man who knew Zainab's family, pleaded guilty to raping and killing the little girl, reports The Associated Press.

Her body was found on a trash heap on Jan. 9 in the city of Kasur near Lahore, four days after she was reported missing.

Prosecutors say Imran, 24, is a serial killer who has also admitted to killing several other children.

A woman who had an alleged nine-month sexual relationship with Donald Trump more than a decade ago, is speaking on the record for the first time about signing a document from an apparent Trump media ally that effectively silenced her story.

Apocryphal stories about our nation's first president abound.

Wooden dentures? Experts say disabusing the public of this myth is like ... well, pulling teeth. (And George Washington did have several pulled, having suffered mightily from dental problems.)

Female inmates in Arizona had their allotment of free sanitary napkins increased threefold, after protesters denounced the 12-pad-per-month policy through an online campaign and by sending a state lawmaker tampons in the mail.

The American Civil Liberties Union of Ohio filed a complaint Thursday on behalf of several abortion providers seeking to block a state law that bans abortions "because an unborn child has or may have Down Syndrome."

Governor John Kasich signed House Bill 214 into law late last year, although it is not scheduled to take effect until March 23, 2018.

The formal 142nd Westminster Kennel Club Dog Show kicks off Monday, although it's not like one of its perfectly poised pooch contenders would kick. The canines that are more into moving than grooming competed in Saturday's Masters Agility Championship in New York City.

That is where a black and white border collie named Fame(US) — pronounced "famous" — lived up to her name, winning the contest that tests dogs' agility and speed as they maneuver through an obstacle course.

Those seeking five-star accommodations in Riyadh now have one more option available, after the Ritz-Carlton reopened its doors on Sunday, more than three months after being converted into an ad-hoc luxury prison for some of Saudi Arabia's most prominent prisoners.

A Grand Canyon sightseeing helicopter crashed at the bottom of a rocky ravine early Saturday evening, killing three people and seriously injuring four others, according to police.

Updated at 11:40 a.m. ET

A Saratov Airlines plane crashed about 25 miles from Moscow where it took off, evidently killing everyone on board, said Russia's Transport Minister.

The plane disappeared from radar shortly after takeoff from Domodedovo Airport at 2:21 p.m. local time, en route to the Russian city of Orsk located about 1,000 miles southeast, reports the TASS news agency.

There were 65 passengers and six crew members on board, says TASS.

Mary Lou McDonald was elected the new leader of Sinn Fein at a conference in Dublin on Saturday, in what represents a major shift for the left-wing Irish republican party.

In a first, the party's leadership is entirely female; McDonald is only the second woman to have led Sinn Fein, which was founded in the early 1900s. Another woman, Michelle O'Neill, was elected as vice president Saturday. Both women ran unopposed.

Sweden won the first gold medal of the Winter Games on Saturday, but the United States and Norway also made history on a blustery and bitter cold day in Pyeongchang, South Korea.

Swedish cross-country skier Charlotte Kalla won top honors in the women's 15-kilometer skiathlon with a finishing time of 40:44.9.

Updated 5:22 a.m. ET Sunday

Israeli airstrikes in Syria killed at least six members of the Syrian military or allied militia members Saturday, a monitor group said Sunday, after Israel said an Iranian drone violated its airspace.