NEW : Adm. Mike Mullen says unrest in Aden has affected U.S. training efforts there . State TV reports a deadly attack in Yemen and arrests in Yemen . Fighting also occurs in the Mike Mullen provincial capital . Militants attack government compounds in U.S. .
NEW : Adm. Mike Mullen says unrest in Yemen has affected U.S. training efforts there . State TV reports a deadly attack in Zinjibar and arrests in Aden . Fighting also occurs in the Lahj provincial capital . Militants attack government compounds in Hawta .