There have been no evacuations of the embassy . 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 . The British Foreign Office has issued a similar statement saying that Britain was ``not aware of any specific threat or intelligence about an imminent attack on London.''
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 . The British Foreign Office has issued a similar statement saying that Britain was ``not aware of any specific threat or intelligence about an imminent attack on London.''