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By Reuters

DUBAI — A court in the Yemeni capital Sanaa sentenced a U.S. man detained as a terrorism suspect in 2010 to 10 years in prison on Wednesday, judicial sources said, for allegedly killing a guard while trying to escape from a hospital where he was being held.

"The court sentenced U.S. national Sharif Mobley to 10 years in prison after he was convicted of killing an officer in the Yemeni intelligence," a judicial source added, saying the sentence was subject to an appeal.

NBC News could not immediately verify the information.

Mobley, 31, worked at a nuclear power plant in New Jersey before moving to Sanaa with his family to strengthen their Islamic faith, according to interviews with his wife Nzinga Islam.

Related: Sharif Mobley's Yemeni Prison Hit by Saudi-Led Airstrike

He and his family have denied any ties to militants.

He was accused of killing a guard and wounding seven other people as he tried to shoot his way out of a hospital where he was being treated after he was shot during his arrest.

According to U.K.-based rights group Reprieve, Mobley told his lawyers by telephone from prison in May that he feared for his life amid a civil war in Yemen which caused the U.S. to shut its Sanaa embassy.