 In early September, Thai police arrested five army officers, all members of Thailand's [[Internal Security Operations Command|counter-insurgency command]], after intercepting one of the officers with a bomb in a car allegedly targeting the prime minister's residence.Three of the suspects were released after the coup.In December 2006, former National Security Council head [[Prasong Soonsiri]] claimed that he and five other senior military figures had been planning a coup as early as July.