Article published on the 2008-11-08 Latest update 2008-11-11 11:25 TU
The British embassy in Bangkok sent a message to airlines telling them not to allow the couple to board flights to Britain. Thaksin is thought to be travelling in East Asia after a telephone address he made to a stadium filled with supporters in Bangkok last week.
Thaksin was convicted by a Thai court in August of corruption charges, but refused to return home to serve the sentence, seeking refuge in the UK.
Thaksin is a multi-billionaire who owns many properties in Britain and even owned the Manchester City football club, before selling it in August.