U.S. intercepts Iranian attacks on 3 ships. And, what to know about hantavirus

Good morning. You're reading the Up First newsletter. Subscribe here to get it delivered to your inbox, and listen to the Up First podcast for all the news you need to start your day. Today's top stories The U.S. military says three Navy ships came under attack yesterday while navigating through waters near Iran. U.S. Central Command says it responded by launching strikes on Iranian missile and drone sites. Iran says that the U.S. started Thursday's violence by attacking one of its oil tankers in the Strait of Hormuz. This incident marks the first report of U.S. airstrikes on Iranian soil since the ceasefire began a month ago. Malta-flagged oil tanker Odessa arrives near Daesan Port in Seosan City on May 8. Shin Yong-ju/AFP via hide caption toggle caption Shin Yong-ju/AFP via 🎧 Despite the recent violence, neither Iran nor the U.S. seems inclined to return to war , NPR's Aya Batrawy tells Up First . President Trump told reporters yesterday that the ceasefire remains in effect. But Trump continues to threaten Iran with more bombing if it doesn't agree to a U.S. proposal to end the conflict. Iran says it's reviewing the proposal and will deliver a response to mediator Pakistan. Republicans in Tennessee passed a new congressional map yesterday that would divide Shelby County — home to the majority-Black Memphis — into three districts. The action aims to eliminate the state's only remaining Democratic-held seat . …