Hamas, which has ruled the Gaza Strip since 2007, launched an attack inside Israel over the weekend, killing more than 1,000 and taking others hostage. This video explains what the group is about and what it wants.

Hamas, which has ruled the Gaza Strip since 2007, launched an attack inside Israel over the weekend, killing more than 1,000 and taking others hostage. This video explains what the group is about and what it wants.