Palestinian forces and remnants of the Egyptian forces from Rafah. By sunset, the Israelis had taken the strategically vital Ali Muntar ridge, overlooking Gaza City, but were beaten back from the city itself. Some 70 Israelis were killed, along with Israeli journalist Ben Oyserman and American journalist Paul Schutzer. Twelve members of UNEF were also killed. On the war's second day, 6 June, the Israelis were bolstered by the 35th Paratroopers Brigade under Colonel Rafael Eitan and took Gaza City along with the entire Strip. The fighting was fierce and accounted for nearly half of all Israeli casualties on the southern front. However, Gaza rapidly fell to the Israelis. Meanwhile, on 6 June, two Israeli reserve brigades under Yoffe, each equipped with 100 tanks, penetrated the Sinai south of Tal's division and north of Sharon's, capturing the road junctions of Abu Ageila, Bir Lahfan, and Arish, taking all of them before midnight. Two Egyptian armoured brigades counterattacked, and a fierce battle took place until the following morning. The Egyptians were beaten back by fierce resistance coupled with airstrikes, sustaining heavy tank losses. They fled west towards Jabal Libni. The Egyptian Army During the ground fighting, remnants of the Egyptian Air Force attacked Israeli ground forces but took losses from the Israeli Air Force and from Israeli anti-aircraft units. Throughout the last four days, Egyptian aircraft flew 150 sorties against Israeli units in the Sinai. Many of the Egyptian units remained intact and could have tried to prevent the Israelis from reaching the Suez Canal, or engaged in combat in the attempt to reach the canal. However, when the Egyptian Field Marshal Abdel Hakim Amer heard about the fall of Abu-Ageila, he panicked and ordered all units in the Sinai to retreat. This order effectively meant the defeat of Egypt. Meanwhile, President Nasser, having learned of the results of the Israeli air strikes, decided together with Field Marshal Amer to order a general retreat from the Sinai within 24 hours. No detailed instructions were given concerning the manner and sequence of withdrawal. Next fighting days As Egyptian columns retreated, Israeli aircraft and artillery attacked them. Israeli jets used napalm bombs during their sorties. The attacks destroyed hundreds of vehicles and caused heavy casualties. At Jabal Libni, retreating Egyptian soldiers were fired upon by their own artillery. At Bir Gafgafa, the Egyptians fiercely resisted advancing Israeli forces, knocking out three tanks and