Denpasar, Bali, Aug. 4 -- Police in Indonesia's resort island of Bali are investigating the ownership of firearms and dozens of rounds of ammunition discovered during a drug raid at a house in Denpasar, where officers arrested a man suspected of narcotics abuse.

First Inspector I Gede Adi Saputra Jaya, spokesperson for Denpasar City Police, said the suspect claimed the firearms and airsoft guns had been left with him by several people for repairs.

The investigation began after police received reports from the public alleging narcotics abuse at the property in East Denpasar, Adi said.

Officers from the police narcotics unit arrested a 30-year-old man identified by his initials ARMP, a resident of Kintamani in Bali's Bangli District, who...