A police investigation found that Pol Senior Sgt-Major Samart Saengsin, 46, had stockpiled the weapons. He was dismissed from the Civil Service in 1998. 
	Police also conducted urine tests on Samart and three subordinates, with two of the subordinates yielding positive results of drug use. 
	In Bangkok, Narcotics Suppression Police announced the arrest of a Mae Hong Son man and the seizure of 9.45 kilograms of heroin and 570,000 yaba tablets. The man, Worpaol Laomoo, 22, was arrested on Ramkhamhaeng Soi 26. 
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Guns, ammo seized at ex-cop's house

Three guns and hundreds of rounds of ammunition were seized by police yesterday at the home of a for?mer police officer in Kanchanaburi's Mueang district.