Armed man stands outside U.S. Consulate in Libya as it burns. Photo: Twitter.

Washington Post – U.S. officials suspect that a former Guantanamo Bay detainee played a role in the attack on the American diplomatic compound in Benghazi, Libya, and are planning to designate the group he leads as a foreign terrorist organization, according to officials familiar with the plans.

Militiamen under the command of Abu Sufian bin Qumu, the leader of Ansar al-Sharia in the Libyan city of Darnah, participated in the attack that killed U.S. Ambassador J. Christopher Stevens and three other Americans, U.S. officials said.

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