Turkish authorities are investigating whether Tuesday’s attack outside the Israeli Consulate in Istanbul was carried out by Islamic State (ISIS) militants or by Iran-linked operatives, as competing lines of inquiry emerge following the incident. The attack took place around noon on Tuesday in the area outside the building that houses the Israeli Consulate. According to Turkish broadcaster NTV, three attackers were involved. One of them was killed after Turkish police opened fire, while the other two were arrested. Two Turkish police officers were also lightly injured during the incident, authorities said. The assault comes at a time of heightened security activity in Turkey. Before the attack, Turkish police had launched a new operation against an ISIS cell. In a separate development, Turkish security forces reportedly clashed for several hours with an ISIS-linked group in the Yalova district shortly before the Istanbul incident. Turkish sources who spoke to The Levant Files on c...