Hillary Clinton is refusing to participate in a final debate with Bernie Sanders in California ahead of that state's June 7 primary.
- The National Rifle Association has endorsed Donald Trump.
- "Iraq's military imposed a curfew across Baghdad on Friday after security forces used tear gas, water cannons and gunfire against protesters storming the fortified Green Zone as political tensions reignited."
- What we know so far about the crash of EgyptAir flight 804.
- According to the Centers for Disease Control and Prevention, 157 pregnant women in the United States have tested positive for the Zika virus.
- "Israel's defense minister announced his resignation Friday, saying the governing party had been taken over by 'extremist and dangerous elements' and that he no longer trusts Prime Minister Benjamin Netanyahu."