Pope visit: Pope's spokesman says pontiff remains calm
Father Federico Lombardi has told reporters that the papal team have had no direct information about a police operation involving the arrest of five men in London.
Speaking in Twickenham, the Vatican spokesman gave a statement to the media, in which he said the Pope remained "totally calm".
Five men have been arrested in London on suspicion of plotting to commit terrorist attacks during the Pope's visit to Britain, Scotland Yard said.