LEGAZPI CITY--An employee of the Philippine Postal Office in Bicol was shot dead by a drunk co-employee in a squabble at Tamaoyan Sunday night, police said Monday.

Police said the victim, Rodolfo Panganiban, 35, was shot at around 9:30 p.m. by co-employee Joseph Caballero.

Initial investigation showed that Panganiban, Caballero and other four co-workers in the postal office had a get-together at the victim's residence when an argument ensued.

Caballero left the scene but returned with a .45-caliber pistol and shot Panganiban, the police added.

Nena, the victim's wife, said she heard three gunshots and saw her wounded husband slumped on the floor, the police said.

The victim, who sustained two gunshot wounds in his shoulders, was rushed to a hospital in the city but was declared dead on arrival.