SIBU: A 35-year-old man was found dead at a staircase of a shop house in Mission Road here about 8am yesterday.
Paramedics summoned to the scene pronounced Yung Fei Kong of Brooke Drive dead.
Yung was said to have earlier involved in a heated argument with his girlfriend at Sibu Central Market.
Eyewitnesses said his girlfriend ran away while Yung chased until he reached Mission Road where he rested at the staircase of a shop house.
About an hour later, his girlfriend was said to have returned to the scene only to find Yung crouching motionlessly at the staircase.
District police chief ACP Stanley Jonathan Ringgit said the man could have died of heart attack.