Abu Mansur Al Amriki, U.S. Jihadi In Somalia, Reportedly Claims Comrades Want To Kill Him (VIDEO)

03/17/2012 11:18 am ET | Updated May 17, 2012

NAIROBI, Kenya — American-born jihadi Omar Hammami says in a new video that he fears members of his own Somali militia group may kill him over differences of opinion.

Hammami, known as Abu Mansur al-Amriki, or "the American," appears in a video saying he has disagreed with his comrades in the al-Qaida-linked al-Shabab militia on Islam's Sharia law and strategy. The authenticity of the video could not be independently verified.

Hammami is the most visible of foreign fighters in the ranks of the al-Shabab, Somalia's most dangerous militant group, that is trying to topple the country's weak U.N.-backed government.

Al-Shabab has been designated a terror group by the U.S. government. Al-Qaida says it has merged with al-Shabab.

Hammami grew up in the middle-class town of Daphne, Alabama, before joining the militants in 2007.

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