In Yemen, as many as 50 people have been killed in a U.S. airstrike, making it the deadliest single attack by the United States in Yemen in the last five years. The Pentagon says the strike hit an al-Qaeda training camp in Yemen’s southeast on Tuesday. Local medics say the attack struck the camp as people were queued up for the dinner line. Tuesday’s attack was at least the sixth U.S. airstrike in Yemen this year.