Deputy police chief Aek Angsananont said on Saturday that the people had been arrested from June 9 to July 3. They include 236 bankers, 3,413 gamblers and 110 bet brokers.
Besides, police seized from them about 1.9 million baht in cash and records of bets worth about 28 million baht.
Pol Gen Aek also said that the police reported 1,791 football gambling websites to the Ministry of Information and Communication Technology and 1,227 of them were closed. He promised that the suppression would expand to gambling relating to football leagues after the World Cup ended.