Deputy House of Commons Speaker Nigel Evans spoke of his "sense of incredulity" after being arrested on suspicion of rape and sexual assault.
In a statement outside his home, he said the allegations of offences against two men in their 20s were "completely false".
Mr Evans has been bailed under 19 June.
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.