Police in the U.K. are investigating claims comic actress Catherine Tate has been receiving sinister letters alleging she is having an affair.
The former Doctor Who star reportedly called in cops earlier this month (Mar10) after a series of anonymous notes were posted to her home in London.
The messages allegedly accused Tate of cheating on her husband, Twig Clark, according to Britain's The Sun.
A source tells the publication, "The letters were nasty and caused great alarm. They contain completely false allegations. Catherine is understandably incredibly upset. It's very sinister."
A Metropolitan Police spokesman confirms, "Police received a complaint from a man on Sunday regarding malicious communications. Detectives are investigating."
Tate's agent refused to comment on the allegations.