PARIS — Two French prison officers were killed and three others seriously injured in a brazen attack on their convoy in Normandy on Tuesday during which an inmate escaped, officials said. The van was transporting prisoner Mohamed Amra to Évreux jail after a court hearing in Rouen when it was ambushed. [time-brightcove not-tgx=”true”] Justice Minister Eric Dupond-Moretti said he would join a crisis unit to address the emergency.