A comedian at the centre of a series of allegations has postponed his sold out show.

Russell Brand was due to perform at Theatre Royal Windsor on Tuesday, September 19, as part of his Biopolarisation tour.

However, in a recent update from Royal Windsor Theatre, Russell Brand's Bipolarisation tour management said: "We are postponing these few remaining addiction charity fundraiser shows, we don't like doing it - but we know you'll understand."

Royal Windsor Theatre added: "We will be offering ticket refunds in line with our Terms & Conditions of sale."

It comes just days after a series of sexual assault claims.

The comedian and actor is facing allegations of such crimes after “several women” are said to have contacted The Times and The Sunday Times in the wake of a joint investigation with Channel 4 Dispatches which aired at the weekend and which saw separate allegations of sexual assault from four women.

The Times said on Monday that the new allegations have not yet been investigated, and will now “be rigorously checked”.

Brand, 48, vehemently denies the allegations, which also includes claims of controlling, abusive and predatory behaviour, and said, in a video posted online on Friday night, that all of his relationships have been "consensual".

READ MORE: Dispatches: Russell Brand accused of rape and sexual assault

Prime Minister Rishi Sunak’s official spokesman said: “These are very serious and concerning allegations.

“The Met Police has asked anyone who believes they have been a victim of a sexual assault to come forward to speak to officers.

“As the Foreign Secretary said over the weekend, people should feel able to raise concerns where they have them and know they will be treated seriously and treated with sensitivity."

The initial claims of rape and sexual assault are said to be from a period between 2006 and 2013 when Brand was at the height of his fame and working for the BBC, Channel 4 and starring in Hollywood films.

The allegations made against him include one woman who claims she was sexually assaulted during a three-month relationship with Brand when she was 16 and still at school.

The BBC is facing questions after it has been alleged that he used the corporation’s car service to pick up the 16-year-old from school so she could visit him at his home, according to The Times.

Channel 4 and the BBC have both stated that they are investigating the claims.

Over the weekend Russell Brand attended his sold-out show at Wembley where he reportedly said: "I really appreciate your support. I love you. I want to do a fantastic show for you. I've got a lot of things to talk to you about. There are obviously some things that I absolutely can not talk about - and I appreciate that you will understand."