NARATHIWAT: Three cars in a car park belonging to a residential building for police officers in Rueso district were damaged in a grenade explosion early on Saturday night.
Pol Capt Komsan Teekhakan, deputy chief investigator of Rueso police, said the incident occurred at about 7pm when a hand grenade was hurled across the wall from Rueso Withaya School in tambon Rueso Ok.
The grenade landed near a rubbish bin in the police parking area and exploded.
The explosion caused damage to a Honda City, an Isuzu Mu7 and a Chevrolet belonging to Rueso police.
An investigation was underway into the incident.