Hamas

Israeli forces opened fire on Palestinian protesters on Monday, killing more than 50 and injuring thousands more.
Gaza officials said at least 400 people were wounded by gunfire, while others were struck by rubber bullets or tear gas.
Two people were killed in the demonstrations on Friday.
The U.S. officially recognized the holy city as Israel's capital.
The Islamist group has ruled Gaza since 2007.
The US is the leading country that unilaterally brands entities around the world as terrorist.
Yehya Al-Sinwar was freed in a 2011 prisoner swap with Israel after more than 20 years in jail.
Hamas claims the attacker was a member of its group.