Three Palestinians were killed and four others were injured on Friday by an Israeli air strike in Jabalia, said sources from the Islamic Jihad Movement (IJM). The strike, added the sources, targeted a car that contained members of IJM and the Popular Resistance Committees in Palestine (PRCP), adding that the activists were attacked as they were attempting to launch an attack against Israeli towns around Gaza Strip. The dead persons were Khaled Al-Zaanin, Basem Al-Zaanin and Mohammad Al-Zaanin, said the sources.In another development, the Israeli army conducted a fourth air-strike on Friday, which targeted a civilian car in northern Gaza. According to Palestinian radio stations, several missiles were launched at the car in Gaza's Salah Al-Din street, leading to injuring all passengers onboard the destroyed vehicle.