Electricity has been restored in Puerto Rico following an outage on Wednesday that left the island in darkness. It was the first island-wide blackout since Hurricane Maria swept through the U.S. territory in September.

A transmission line was accidentally damaged by an excavator, reported The Associated Press.

At schools across the country today, students are getting up from their desks and walking out when the clock strikes 10 a.m. They're participating in the National School Walkout, part of the movement that has taken hold among students to call for action to end gun violence.

Today marks 19 years since the shooting at Columbine High School in Littleton, Colo., in which two high school students shot and killed thirteen people.

Updated at 11:24 p.m. ET

President Trump pointed his fingers at his own head and said then-national security adviser Michael Flynn had "serious judgment issues," according to a redacted, unclassified version of then-FBI Director James Comey's original memo about his fateful dinner with Trump.

That's one new detail included in copies of the memoranda sent by the Justice Department to Congress on Thursday evening in response to a request from the leaders of the Judiciary and intelligence committees.

President Trump's personal attorney, Michael Cohen, has dropped a pair of defamation lawsuits he filed after BuzzFeed News published the infamous Russia dossier last year.

The embattled lawyer isn't conceding anything about the substance of what was detailed in the dossier, which is unverified, but says he has too much else on his plate to proceed now that he is dealing with a federal court case in New York.

"The decision to voluntarily discontinue these cases was a difficult one," said a lawyer for Cohen, David Schwartz.