The kidnapping of Israeli soldier Gilad Shalit and continued rocket attacks from Gaza have kept Israel from lifting it.
VOA: standard.2010.06.16
In 2006 he was alleged by Israeli then-Vice Premier Shimon Peres to have ordered the kidnapping into Gaza of Israeli soldier GiladShalit, who has not been released.
These include the Army of Islam, responsible for the kidnapping of the BBC's Gaza correspondent Alan Johnston and IDF Corporal GiladShalit, and al Qaeda itself, which has established a presence in the territory.