When asked for his reaction to Deputy Commons Speaker Nigel Evan's arrest over alleged rape and sexual assault, the Foreign Secretary said "we're all be very sorry to see this situation".
Speaking to Sky News, William Hague said the Tory MP was a "long-standing friend" and "a very popular and well-respected member of Parliament".
He added that he would not comment further because the case is subject to legal proceedings.
Deputy Commons Speaker Nigel Evans said allegations that he raped one man and sexually assaulted another are "completely false".
Deputy House of Commons Speaker and Conservative MP Nigel Evans has been arrested on suspicion of rape, sources said.