Four people were killed and nine others seriously injured when a driver plowed through a Long Island nail salon Friday, law enforcement sources said.
The van crashed through the storefront at 796 Grand Boulevard in Deer Park, the sources said.
Four people believed to be inside the nail salon were killed, sources said.
Nine others were treated for serious injuries.
Their condition and the cause of the crash are still under investigation.
This is a developing story. Please check back for more updates.