What We're Following This Morning

Cuban envoy: Jose Cabanas, a veteran diplomat who has run the Cuban Interests Section in Washington since 2012, has been named the country’s ambassador to the U.S. He is the first Cuban envoy to Washington since 1961, when the two countries broke off relations. His appointment is the latest step in the normalization of ties announced last year by President Obama and Cuban leader Raul Castro. The U.S. is yet to name an ambassador to Havana.

Migrant crisis: Croatia has closed off seven of its eight border crossings with Serbia after as many as 13,000 migrants entered the country this week. The influx followed Hungary’s decision to close its borders with Serbia as Europe faces the most severe migrant crisis since World War II. Update: More here.

Taliban mosque attack: Gunmen shot and killed at least 16 people in a mosque at an air force base near the northwestern Pakistani city of Peshawar. At least 13 militants were also killed in the attack on the Badaber base, Pakistani military officials said.