Israel and Hamas are at war. Here's what to know about Hamas.

What is Hamas, and why did it attack Israel now?

What We Know: Israel-Hamas Conflict

While pro-Hamas sympathizers will laud yesterday as progress, history will reflect the truth: the defacing of national monuments and the desecration of the American flag is a disgusting act of violence. We will not stand idly by when freedom of expression turns into a pro-terrorist agenda. Freedom of speech is not a license for violence. | House Committee on Natural Resources GOP

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Hamas rockets reaching deeper into Israel

How does Hamas create rockets with the household against Israel?