A gunman opened fire at a market in Bangkok, killing at least five people before turning the gun on himself, according to Thai police. An investigation is underway into the identity of the shooter and the motive for the shooting at Or Tor Kor market, which took place about 12:30 p.m. local time on Monday.

The shooting occurred at Or Tor Kor market, which is popular with tourists, several Thai news outlets reported.

A gunman killed five people at a market in Thailand's capital Bangkok on Monday, attacking security guards and a merchant before fatally turning the gun on himself, a Thai police official said.