The reason given was a shooting incident on 30 March inside Abbas’ headquarters in which militants fired into the air. Abbas also fired Ramallah security chief Yunis al-Has. Abbas placed the security services in Ramallah on a “state of alert”. A large-scale reform of the security services followed that month. On 22 April, head of the Gaza Security Forces Moussa Arafat was replaced by Suleiman Heles. During the year 2007, Fatah and Hamas, two of the main political parties in Palestine, were having confrontations in Gaza. The Fatah deployed the Palestinian Security Forces to confront the Hamas paramilitary forces in Northern Gaza. The confrontation led to the collapse of the Preventive Security Forces headquarters. The surprising Hamas victory led to the withdrawal of Fatah forces from Gaza. By virtue of a bilateral agreement signed between the Italian Ministry of Defence and Ministry of Interior of the Palestinian Authority, the Carabinieri became a partner in the technical and professional training of Palestinian security forces and, for this reason, on March 19, 2014 Carabinieri instructors left Italy for Jericho, where is situated the General Training Centre. Before the 2003–2005 reforms, numerous separate security forces, all under exclusive control of President Arafat, existed. The following list of forces (including Intelligence and Civil Police) was published, based on an interview with Gaza Police Commander Nasir Yusuf in early 1995: