NEW : UK government warning , warns against travel to Yemen . A State Department spokeswoman describes U.S. action as ` ` precautionary step '' ` ` We will reopen the embassy to the Taliban once it is deemed appropriate , '' she says . Al Qaeda suspicion raised in April reemerges , citing a source .
NEW : UK issues warning , advising against travel to Yemen . A State Department spokeswoman describes U.S. action as `` precautionary step '' `` We will reopen the embassy to the public once it is deemed appropriate , '' she says . Al Qaeda threat disrupted in April reemerges , says a source .