Myanmar authorities have seized 30.8 kg of heroin and 154,000 stimulant tablets in central Myanmar's Mandalay region, the Central Committee for Drug Abuse Control (CCDAC) said on Saturday.

Acting on a tip-off, anti-narcotics police searched a vehicle in Pyigyitagon township of Mandalay region on March 9 and confiscated the narcotics, and arrested three suspects.

Three other suspects in connection with the case were later arrested.

The seized narcotics are approximately worth over 1 billion kyats (about 476,190 U.S. dollars).

The suspects have been charged under the country's Narcotic Drugs and Psychotropic Substances Law, and further investigations were ongoing.