NEW : Adm. Mike Mullen says unrest in Yemen has affected U.S. training efforts there . ( CNN ) -- State TV reports a deadly attack in Zinjibar and arrests in Aden . The Associated Press contributed to this report. Militants attack government compounds in Hawta .
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 . The Associated Press contributed to this report. Militants attack government compounds in Hawta .