LONDON (AP) _ Madonna was escorted from a British Airways Concorde flight at Heathrow Airport after an unspecified threat was made against her, news reports said.

About a half-dozen officers and one police dog were present Sunday as the singer stepped off the supersonic flight from New York, carrying her daughter, Lourdes, in her arms.

Air News, a news agency based at the airport, said some 30 fans cheered as Madonna walked through the terminal and was helped into a limo.

The British Broadcasting Corp. said British Airways received a threatening call against Madonna when the Concorde arrived.

She is in London to work on a new album, the BBC said.