The Centers for Disease Control and Prevention report 695 measles cases in 22 states.

"This is the greatest number of cases reported in the United States since measles was eliminated from this country in 2000," according to a CDC statement issued late Wednesday.

The National Rifle Association filed a lawsuit Wednesday challenging a newly implemented ordinance by the city of Los Angeles that seeks to limit ties between city contractors and the gun rights group.

The lawsuit alleges that the ordinance, which took effect on April 1, violates constitutional protections for free speech and association under the First Amendment and the right to equal protection under the 14th Amendment.

New Zealand Prime Minister Jacinda Ardern has announced that she and French President Emmanuel Macron will lead a global effort to stop social media from promoting terrorism in the wake of recent attacks that devastated New Zealand and Sri Lanka.

"This isn't about freedom of expression; this is about preventing violent extremism and terrorism online," Ardern told reporters at a news conference in Auckland on Wednesday.

Facebook expects to pay a fine of up to $5 billion in a settlement with federal regulators. The tech giant disclosed that figure in its first-quarter 2019 financial results.

It's the stuff of a Hollywood blockbuster: Five hundred years ago, a son of Christopher Columbus assembled one of the greatest libraries the world has ever known. The volumes inside were mostly lost to history. Now, a precious book summarizing the contents of the library has turned up in a manuscript collection in Denmark.