Palestinian gunmen opened fire on a car in Gaza City carrying a top Palestinian security officer in a drive by shooting that killed the officer and four other people, senior Palestinian security officials said. The attack occurred near the home of Palestinian Prime Minister Ismail Haniyeh in the middle of the afternoon, when the attackers shot dozens of bullets into a gray Audi belonging to Brig. Gen. Jad Tayeh, the head of international coordination in the Palestinian intelligence service, security officials said. Tayeh was killed along with two of his bodyguards and two civilians, Palestinian officials said. The motive for the attack was not immediately clear.