The first was that he made unwanted advances to a female journalist, Kate Maltby, in 2015, by “fleetingly” touching her knee in a pub, and later sending her a “suggestive” text message.

The second was related to claims that pornography was found on a computer in Mr. Green’s office in the House of Commons in 2008 — allegations that first surfaced when the police investigated whether official information was being leaked to Mr. Green, who was then an opposition politician.