A 77-year-old man is dead following a house collapse in Barrie Saturday afternoon, police say.

At around 1 p.m., Barrie police responded to reports of a house collapse on Yonge Street, near Little Avenue.

An elderly man was demolishing his house when the roof collapsed on him, according to police.

The man died from his injuries police said.

The forensic identification unit along with detectives from the criminal investigation division are assisting with the investigation.