Gaza Strip had broken out in Gaza when, apparently under a U.S.-backed plan, Fatah contested Hamas’s administration. Hamas emerged the victor and expelled Fatah-allied officials and members of the PA's security apparatus from the Strip, and has remained the sole governing power in Gaza since that date. Gaza was part of the Ottoman Empire, before it was occupied by the United Kingdom (1918–1948), Egypt (1948–1967), and then Israel, which in 1994 granted the Palestinian Authority in Gaza limited self-governance through the Oslo Accords. Since 2007, the Gaza Strip has been "de facto" governed by Hamas, which claims to represent the Palestinian National
Israel–Gaza barrier been challenged on the basis that Israel continues to exercise control over Gaza's territorial waters and airspace, despite Gaza not being part of Israel and Gazans not having Israeli passports. In June 2007, Hamas took over Gaza, ousting the forces of Fatah, the faction led by Palestinian Authority President Mahmoud Abbas and effectively separating Gaza from the West Bank in terms of its administration. Hamas had won legislative elections in January 2006. Israel intensified its blockade of the Gaza Strip in June 2007, when Hamas took power and began increasing its rocket fire into Israel. On 27 December 2008, Israel