A 98-year-old Philadelphia man died after his vehicle and a Mack dump truck collided early Tuesday in Roslyn Heights, a crash that also downed a utility pole and knocked out power to area homes, Nassau police said.

Frank Winfrey was taken to a hospital, where he was pronounced dead at 6:14 a.m., police said.

Nassau police said the truck was going west on Powerhouse Road at 5:40 a.m. when it hit Winfrey's vehicle, which was heading south on Roslyn Road. The truck then careened into a utility pole, police said.

The truck driver, 39, and his passenger, 43, were treated for minor injuries at a hospital, police said.

Philadelphia police and a Nassau police spokeswoman could not confirm Tuesday whether Winfrey is the same man who has been missing from his Philadelphia home since Monday.

Philadelphia police had issued a public alert just before 9:30 a.m. Tuesday for a Frank Winfrey, also age 98, also driving a 1995 Chevy.

The alert said Winfrey suffers from dementia and had been reported missing since 2:30 p.m. Monday, when he left his home to run errands. He was driving a burgundy 1995 Chevy Tahoe, Philadelphia police said. The alert was still active, a Philadelphia detective said Tuesday night.

A woman who answered the phone at the missing Winfrey's home hung up.

Nassau police said both the Chevy and the Mack truck were impounded for safety checks.

advertisement | advertise on newsday

The fatal crash forced the closure of Powerhouse Road near Roslyn Road until just after 1:30 p.m. for investigation and repairs.

LIPA said power has since been restored to more than 30 customers who were left without electricity in Roslyn Heights.

With John Valenti