At least nine terrorists were killed and 16 others injured as Egypt's army foiled an attack on number of security checkpoints in North Sinai, military officials said. The attack, which took place yesterday, targeted different army checkpoints at the same time. The attackers used cars carrying explosives, motorcycles and electronic weapons, military spokesperson colonel Tamer el-Refa'e said in a statement. The armed forces exchanged fire with the attackers killing nine and injuring 16 others. They also destroyed six of their vehicles, he added. Advertisement North Sinai has been the stage for many terrorists attacks since the January 2011 revolution that toppled the ex-president Hosni Mubarak. The military has launched security campaigns in the area, arrested suspects and demolished houses that belong to terrorists, including those facilitating tunnels leading to the Gaza Strip.