'Political tensions mount in Myanmar'

Thaksin did not give details on the developments and discounted suggestions a coup had been hatched, but said Thailand was watching the situation closely.

"It is not clear yet as Myanmar is a closed society, but I admit that there has been some form of tension in Myanmar," he told reporters.

"I don't think it is a coup but there are tensions and preparations to do something," he said.

Myanmar's political upheaval is often publicised first by neighbouring Thailand, which claims close ties with the secretive state.