JERUSALEM—Israeli security forces killed three members of the Palestinian terrorist group Islamic Jihad in a shootout in the occupied West Bank on Saturday. “This is a terrorist cell that has been involved in terrorist activity against security forces recently, and was apparently on its way to another attack,” the police said. Four Israeli officers were wounded. Islamic Jihad claimed the three Palestinians as members. Tensions have risen over the past week after a string of deadly Arab attacks in Israel. Officials have warned about a potential surge in assaults in the run-up to Saturday’s start of the Muslim holy month of Ramadan, a period during which violence has surged in the past. On Tuesday, a Palestinian shot dead five people in the Israeli city of Bnei Brak before he was killed by police. The shooting raised to 11 the number of people killed by Arab attackers in Israel within a …