LONDON (Reuters) - British Prime Minister Boris Johnson will face a confidence vote by lawmakers in the governing Conservative Party later on Monday, the chairman of the 1922 Committee Graham Brady has told lawmakers.

       "The threshold of 15% of the parliamentary party seeking a vote of confidence in the leader of the Conservative Party has been exceeded," he wrote in a note to Conservative lawmakers.

       "In accordance with the rules, a ballot will be held between 1800 and 2000 today Monday 6th June -- details to be confirmed. The votes will be counted immediately afterwards. An announcement will be made at a time to be advised."

       (Reporting by Elizabeth Piper, editing by Alistair Smout)