Sex And The City star Kim Cattrall has announced her brother has died – hours after appealing for help to find him.

The actress, 61, said her one of a kind brother Christopher Cattrall had unexpectedly passed away.

She wrote on social media: It is with great sadness that myself and my family announce the unexpected passing of our son and brother, Chris Cattrall.

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.

Just hours before the announcement Cattrall had asked fans to help spread the word to find her 55-year-old brother, who had been missing for five days.

The English-Canadian actress, who played Samantha in the Sex And The City series, asked people to contact police in Alberta, Canada, if they had any information about him.

She wrote: MISSING! This is my brother Christopher Cattrall or Chris as we call him.

He has been missing since Tuesday, January the 30th from his home in Lacombe, Alberta Canada.

His keys, cell phone,& wallet left on the table and his front door unlocked.

This is not like Chris. He he would never leave his unlocked home without those items nor his 7 beloved dogs.

(c) Sky News 2018: Sex And The City star Kim Cattrall’s missing brother confirmed dead