BAMAKO, Mali (AP) — Suspected jihadists attacked U.N. peacekeepers carrying out an operation with Malian defense forces Friday killing at least three peacekeepers from Niger and one Malian soldier, and injuring 14 soldiers and one civilian, U.N. authorities and the Security Council said. The U.N. mission reported that at least three assailants were killed by return fire from the peacekeepers. The mission in Mali and U.N.