The Palestinian economy ministry and a bridge in the Gaza Strip have been targeted by Israeli air strikes, according to Palestinian officials. The ministry building caught fire as a result of the air strike, causing severe damage. The raid followed a similar strike on the Gaza building of the foreign ministry on Thursday. The offices of the prime minister and interior minister have also been destroyed. The second attack destroyed a bridge near the Bureij refugee camp. Palestinian officials said there were no casualties in either raid.The north and south of the Palestinian territory was hit by artillery fire throughout Friday as Israel tried to secure the release of Corporal Gilad Shalit and stop rocket attacks.