Supt. Albert Larubis, local police chief, disclosed the incident took place around 2 a.m. Saturday in Barangay Timpul, this city.
Larubis identified the victim as Almer Ho, 26, a resident of
Investigation showed the victim was eating his midnight snack when suddenly the suspects tossed a grenade into the house that exploded and injured Ho, according to Larubis.
Two people were seen to have fled on foot from the explosion site, he said.
Explosive ordnance demolition personnel, who sifted the explosion site, have recovered a safety lever of a fragmentation grenade, he said.
All possible motives are being looked into aimed to establish the identities of the suspects, he said.