PATTAYA, April 27 -- A Chinese national has confessed to killing a Thai transwoman here last Friday after an argument over payment for sex.

Fu Tongyung, a welder in China who is currently under Thai police custody, told investigators he met 25-year-old Woranan Pannacha near South Pattaya beach on the evening of April 26, The Bangkok Post reported today.

Believing Woranan to be a cisgendered woman, the 42-year-old Fu exchanged WeChat details with her.

Later that night, Woranan contacted him and they agreed to meet at his rented room for 8,000 baht.

Fu claimed Woranan later changed her mind and refused to have sex, leading him to demand a 50 per cent refund, which she declined.

A fight broke out during which she scratched Fu's face and...