A man has been arrested for selling illuminating flares to members of the Ultra Thailand group who set them off during the AFF Suzuki Cup final football match between Thailand and Indonesia at the Rajamangala National Stadium on the night of Dec 17. Pol Lt Gen Sanit Mahathavorn, the metropolitan police chief, said at a press briefing on Wednesday night that police raided a shop in Bang Na area about 4pm after learning that the flares fired at the sport stadium on Saturday night were bought there. The shop attendant, whose name was withheld, was being held at Bang Kaew police station in Samut Prakan.