An East Hampton man was killed Friday morning when he lost control of his sport utility vehicle because of icy road conditions near the intersection of Montauk Highway and Windmill Lane in Water Mill, police said.

Cesar Marin, 27, was headed west on Montauk Highway when he lost control of his 2002 Chevy TrailBlazer because of road ice and struck a Suffolk County Transit bus traveling in the opposite direction about 6:50 a.m., Southampton Town police said.

The bus driver, Andrzej Jaglowski, 50, of Riverhead, who was alone at the time, tried to maneuver out of the way but was unable to avoid the SUV, police said.

Marin hit the bus head-on and was pronounced dead at the scene.

Marin’s wife, who arrived minutes after the crash, was so distraught she had to be taken to a hospital, police said. Det. Sgt. Lisa Costa said the woman was sobbing heavily and was unable to speak.

Costa said the bus driver was cooperative and that there was “no criminality involved whatsoever.”

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Jaglowski was taken to Southampton Hospital by ambulance for non-life-threatening injuries. He was released a short time later.

Costa said that 10 minutes before the fatal accident, a car spun out at the same location. The driver lost control on the ice, she said, but was not hurt.

At about the same time as the Water Mill accident, an 18-year-old driver in Northampton was seriously injured after his car skidded on ice, police said.

John Michael Einfeld of Eastport had to be flown to Stony Brook University Hospital, where he was being treated for life-threatening injuries.

Einfeld, driving a 2004 Buick LeSabre, was headed north on County Road 51 when he lost control of his car because of icy road conditions, police said. The one-car crash — the driver struck a pole — occurred near Country Club Drive at 6:55 a.m.

Detectives are asking anyone with information on either the Water Mill or Northampton crashes to call Southampton Town detectives at 631-702-2230.