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Daniella Cheslow

U.S. Secretary of State Mike Pompeo doubled down Sunday on the claim that Iran was responsible for attacks on two tankers traveling in the Strait of Hormuz, despite furnishing no new evidence beyond a video distributed last week by the Pentagon.

Boeing Chief Executive Officer Dennis Muilenburg says the company should have been more transparent with regulators and the public when Boeing discovered a safety light was not operating as designed.

Muilenburg made the comments to reporters ahead of the Paris Air Show, Boeing spokesman Gordon Johndroe told NPR.

"We clearly fell short in the implementation of the AOA disagree alert and we clearly should have communicated better with our regulators and the airlines," Johndroe said in an interview by phone from Paris.

Updated at 4:15 a.m. ET on Monday:

The lights came back on late Sunday for some 44 million people in Argentina, Uruguay and Paraguay after the sudden collapse of an interconnected South American power grid.

At about 7 a.m., the Edesur electric utility tweeted that "a massive failure" left Argentina and Uruguay without power. Electricity was not fully restored until late in the day.

Hong Kong's top official Carrie Lam issued a rare apology Sunday for her management of an extradition bill, but stopped short of withdrawing the proposal as protests coursed through the city.

A government spokesman said Lam's handling of the bill had caused "substantial controversies and disputes in society, causing disappointment and grief."

Days after explosions blasted through two oil tankers in the Strait of Hormuz, the crew of one of the vessels arrived Saturday in Dubai, according to The Associated Press.

The workers' recollections of the Thursday explosion could potentially help back up or refute the U.S. claim that Iran is to blame. The nation's capital of Tehran denies the accusation.

Updated at 5:36 p.m. ET

Target's cash registers are functioning again after stores nationwide were hobbled by a computer crash.

"After an initial but thorough review, we can confirm that this was not a data breach or security-related issue, and no guest information was compromised at any time," Target announced. "We appreciate all of our store team members who worked quickly to assist guests and thank everyone involved for their patience."

A Brazilian judge has acquitted a man who stabbed then-presidential candidate Jair Bolsonaro. The judge ruled that Adélio Bispo de Oliveira was mentally ill and ordered him held in a mental facility indefinitely, The Associated Press reports.

Brittany Smith grew up mostly in Detroit, earning a master's degree in public health from the University of Michigan. But when she and her then-boyfriend, Sam, began their careers, they ran into roadblocks. It was 2013, and Detroit was still struggling from the effects of the Great Recession. Sam Smith couldn't find full-time work. His job as a college career counselor wrapped when the campus where he worked shut down.

They began looking for an out.

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