SANAA, Yemen (AP) _ Yemeni security officials say suspected al-Qaida gunmen have killed seven soldiers and wounded seven others in an attack on a military post.
   The officials said the attack Sunday took place at Ubaida area in the in the central Marib province, an al-Qaida stronghold and one of several areas where the central government has little authority.
   The officials, speaking on condition of anonymity because they are not authorized to brief the media, said the attackers set fire to a pickup mounted with machine gun and fled with an armored vehicle belonged to the post.
   President Ali Abdullah Saleh, facing a strong public opposition inside, is a key U.S. ally against an active al-Qaida branch that calls Yemen home and funds his security forces to fight it.