The Deputy Speaker of the House of Commons, the openly gay Conservative MP Nigel Evans, has been arrested on suspicion of three more counts of indecent assault.
The 55-year-old was formally informed of the new claims as he answered bail at Preston Police Station.
He already faced allegations he raped one man and sexually assaulted another between July 2009 and March 2013.
The MP strenuously denies the claims.
A Lancashire Constabulary spokesperson said: “He will be interviewed about these allegations at a police station in Lancashire during the course of the day.
“We take all allegations of a sexual nature extremely seriously and understand how difficult it can be for victims to have the confidence to come forward.
“As a Constabulary, we are committed to investigating sexual offences sensitively but robustly recognising the impact that these types of crimes have on victims.
“We would encourage anyone who has experienced sexual abuse, or who has information about it, to have the confidence to report it to us knowing that we will take it seriously, deal with it sensitively and investigate it thoroughly.”
Mr Evans, Conservative MP for Ribble Valley since 1992, has been excused from his parliamentary duties while inquiries continue.
The original rape and sexual assault allegations are said to have happened in Pendleton between July 2009 and March 2013.
The new indecent assault allegations are claimed to have occurred in Blackpool and London between 2003 and 2011.
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