US and UK police have launched investigations into sexual assault allegations against the film producer Harvey Weinstein.

The New York Police Department is looking into an allegation dating from 2004 and is reviewing whether there are any additional complaints.

London’s Met Police has received an allegation of sexual assault in the London area in the 1980s.

Weinstein has “unequivocally denied” any allegations of non-consensual sex.

The New York Police Department said it was “looking to speak” to an individual who had made an allegation dating from 2004.