President’s tax returns: A federal judge rejected President Trump’s effort to shield his financial information from Manhattan prosecutors, calling his argument that he was immune from criminal investigation “repugnant.” An appeals court temporarily blocked the ruling, meaning the tax returns remain protected for now.

Deadliest serial killer: The F.B.I. announced that Samuel Little, a 79-year-old inmate in Los Angeles, is the most prolific serial killer in U.S. history. He has confessed to 93 murders, and the agency considers all his confessions credible.

Climate protests: The group Extinction Rebellion blocked traffic in New York and cities around the world as part of a planned five days of disruptions.

Changes to the ACT: Starting in September, students will be able to retake sections of the college entrance exam rather than the entire test, officials said today. The change will allow students to avoid damaging their scores on sections where they had already done well.

Test of diplomatic immunity: Prime Minister Boris Johnson called on the wife of an American diplomat to return to Britain after she was involved in a deadly crash, saying he would ask President Trump to intervene if necessary.

New York subway improvements: The Metropolitan Transportation Authority has promised to add elevators to 70 stations over five years, at an estimated cost of $5.5 billion.