A Suffolk police officer and four others were injured early Sunday when a drunken driver crashed into two police vehicles parked on the William Floyd Parkway in Shirley, officials said.

Suffolk police said the crash occurred shortly before 3:30 a.m. as two patrol officers assisted a disabled motorist on the southbound side of the parkway near Tipton Drive in Shirley.

The Seventh Precinct officers had stopped to give assistance at about 3:15 a.m. when a southbound 2003 Chevrolet Malibu driven by Jonathan Kunstadt, of Farmingville, crashed into their police vehicles, officials said.

Both officers and the driver of a broken-down 2000 Nissan Maxima were outside their vehicles at the time of the crash, police said.

Kunstadt, 22, of Horizon View Drive, was charged with driving while intoxicated. He was held after arraignment in First District Court in Central Islip on $20,000 bond or $10,000 cash, police said.

The unidentified officer was treated for minor injuries at Brookhaven Memorial Hospital Medical Center in East Patchogue. The other officer and the Nissan driver were not injured.

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Four of the five passengers in Kunstadt’s car were injured in the crash, police said. Passenger Gunnar Cortes, 22, of Mastic, was transported by Shirley Community Ambulance to Brookhaven Memorial Hospital Medical Center for treatment of serious injuries.

Three other passengers were transported to the same hospital with minor injuries, police said.

The William Floyd Parkway was closed in both directions at about 3:35 a.m. before reopening after 7 a.m.