Israeli F16 warplanes intensified their airstrikes on the northern Gaza on Saturday, disrupting water and electricity supplies, Palestinian security sources and residents said, according to DPA. The sources and the residents said that more than 16 missiles were fired since midnight at empty areas in northern Gaza Strip, causing no injuries, but damage to infrastructure such as an electricity transformer station in the town of Beit Hanoun. The sources also said that Israeli tanks stationed outside the Gaza Strip fired four shells into the north of the Strip. No injuries were caused. Meanwhile in the West Bank near Nablus Palestinians detonated a car bomb which damaged two Israeli army vehicles. The Israeli soldiers weren't injured.