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 U.S. forces seized an Iranian-flagged cargo vessel in the Strait of Hormuz, President Trump said in a post on social media. U.S. Central Command (CENTCOM) said in a statement that the Iranian ship refused to comply with U.S. warnings over the course of six hours before the U.S. fired on the ship and boarded it. Trump said U.S. Marines have custody of the vessel. The incident is the latest escalation as the ceasefire between the U.S., Israel and Iran nears its end this week. The sun rises behind a tanker anchored in the Strait of Hormuz off the coast of Qeshm Island, Iran, on Saturday. Asghar Besharati/AP hide caption toggle caption Asghar Besharati/AP 🎧 Even before the U.S. took custody of the ship, Trump and Iranian officials had been trading accusations of ceasefire violations, NPR’s Tamara Keith tells Up First. Trump wants …