MANILA, March 4 -- President Ferdinand R. Marcos Jr. on Saturday vowed justice for the killing of Negros Oriental Governor Roel Degamo.

Marcos condemned "in the strongest possible terms" the attack, which local authorities said happened at about 9:40 a.m. right inside Degamo's residence in Pamplona town.

Initial reports said about 10 men got off separate vehicles and barged into the compound, where the governor was in the middle of a meeting with beneficiaries of the poverty alleviation measure Pantawid Pamilyang Pilipino Program.

Three suspects were later arrested in Bayawan City, two of them former Army soldiers, in a follow-up operation.

The report released by Cpl. Rodel Pantoja of the Bayawan City Police Station identified the sus...