Governance of the Gaza Strip between Hamas and similar factions operating in Gaza, and with Israel, most notably the Gaza War of 2008-2009 and the 2014 Gaza War. The radicalization of the Gaza Strip brought internal conflicts between various groups, in events like 2009 Hamas crackdown on Jund Ansar Allah, an al-Qaeda affiliated group, resulting in 22 people killed; and the April 2011 Hamas crackdown on Jahafil Al-Tawhid Wal-Jihad fi Filastin, a Salafist group involved in Vittorio Arrigoni's murder. Since 2015, ISIL-affiliated groups in Gaza have also become Hamas' matter of concern. Negotiations toward reconciliation between Fatah and Hamas, which were mediated by Egypt, produced
Gaza Strip the settlement blocs and military areas) came under Palestinian control. The Israeli forces left Gaza City and other urban areas, leaving the new Palestinian Authority to administer and police those areas. The Palestinian Authority, led by Yasser Arafat, chose Gaza City as its first provincial headquarters. In September 1995, Israel and the PLO signed a second peace agreement, extending the Palestinian Authority to most West Bank towns. Between 1994 and 1996, Israel built the Israeli Gaza Strip barrier to improve security in Israel. The barrier was largely torn down by Palestinians at the beginning of the Al-Aqsa Intifada in September