The daughter of a British woman arrested in Dubai over Facebook posts which branded her ex-husband's new wife a "horse" has begged its ruler to let her come home.

Laleh Shahravesh, 55, faces two years in jail and a £50,000 fine over posts allegedly written three years ago after she discovered that her former partner, Pedro, had remarried, the Detained In Dubai group said.

Ms Shahravesh, from Richmond, south-west London, was arrested with her daughter Paris, 14, at Dubai Airport when the pair visited on March 10 for Pedro's funeral, one week after his death from a heart attack, aged 51.

They were held for 12 hours before Ms Shahravesh's passport was seized, Detained In Dubai said.

The teenager, who has returned to Britain, has written to the Prime Minister of the United Arab Emirates and ruler of Dubai, Sheikh Mohammed bin Rashid Al Maktoum.

She said in the letter published by Detained in Dubai: "I have not seen my mother in 23 days, and with every passing day, I feel less hopeful of her return.

"I ask kindly: please, please return my mother's passport, and let her come home."

Ms Shahravesh had been married to Pedro for 18 years and they lived together in Dubai, where he worked for HSBC, for eight months before she returned to Britain with their daughter.