Kim Cattrall's Missing Brother Found Dead at 55

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Kim Cattrall

Christopher Cattrall had not been heard from since Jan. 30, according to a missing persons poster that the 'Sex and the City' star posted from the Royal Canadian Mounted Police on Saturday.

After posting missing persons posters for her brother Christopher Cattrall on social media on Saturday, Kim Cattrall on Sunday announced that he had unexpectedly died at 55. A spokesperson for the Royal Canadian Mounted Police confirmed the death.

"It is with great sadness that myself and my family announce the unexpected passing of our son and brother, Chris Cattrall," the actress wrote in Twitter and Instagram posts. "At this time we ask for privacy. We want to thank you all on social media for your outpouring of love and support in this trying time."

According to Royal Canadian Mounted Police spokesperson Corporal Chris Warren, Chris Cattrall was found deceased on his property early on Sunday. While the circumstances of the death are being investigated, it is not being considered suspicious, he said.

Chris had not been heard from since Wednesday, according to a missing persons poster that Kim posted from the Royal Canadian Mounted Police. In an Instagram post on Saturday, Kim said that her brother's keys, cellphone and wallet had been found on a table in his home in Lacombe, Alberta, and that he had left his door unlocked. "This is not like Chris. He would never leave his unlocked home without those items nor his 7 beloved dogs," she wrote.

Calls to the Lacombe Police Service and Alberta's Office of the Chief Medical Examiner were not immediately returned on Sunday.

See Cattrall's tweet below.