LOCUST VALLEY - An elderly man was killed in a fast-moving house fire in Locust Valley Friday.

Family members tell News 12 Long Island that Peter Zukas had just returned to his home on Second Avenue after having lunch with his brother-in-law.

Moments later, a fast-moving fire ripped through his house, trapping him in the back porch.

Neighbor Edwin Vega tried to rescue Zukas by grabbing a garden hose to put out the fire, but he says when he got there it was too late.

Vega and firefighters say the flames were intense.

Family and friends say the 81-year-old was a retired Nassau County police officer. They say he was a friendly man who will be missed.

The cause of the fire is under investigation.