Police not only uncovered a stash of various types of drugs during a raid at a condominium unit in Petaling Indah, but also stumbled upon an arsenal of weapons, including a hand grenade.
Police said, four suspects including two women were detained during the raid on Monday.
The foreigners, aged between 25 and 39, were also believed to be linked to local street gangs.
Police confiscated 100 thousand ringgit worth of drugs and seized two cars in the raid.
All the suspects, who tested positive for drugs, were remanded for six days to facilitate investigation.