The officials spoke on condition of anonymity Friday because they were not authorized to release the information.
On Thursday, the U.S. State Department said in a statement that it believes Saleh could sign a Gulf-sponsored proposal to transfer power to his vice president within a week.
Saleh has drawn back several times from signing the power transfer accord proposed by Yemen's powerful neighbors.
Al-Qaida linked militants have taken advantage of months of turmoil surrounding huge protests demanding Saleh's resignation.
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