A gay couple have been killed while on vacation for their first wedding anniversary, after an SUV driver passed out and struck them while they were on their bicycles.

Richard 'Greg' Chittick, 58, and James Walton, 53, were killed on Saturday in Dewey Beach, Delaware, a popular resort town where the couple from Washington, DC were on vacation.

The two men were on a bike ride and stopped on Route 1 when an a driver had a medical emergency and ran off the road, striking them, police said.

Richard 'Greg' Chittick, 58, (left) and James Walton, 53, (right) were killed on Saturday in Dewey Beach, Delaware, a popular resort town where the couple were on vacation

The two men were on a bike ride and stopped with their bicycles on Route 1 when an a driver had a medical emergency and ran off the road, striking them, police said

The crash occurred outside the Starboard Bar and Restaurant in the popular resort town

Chittick worked as a government contractor, and Walton was a graphic designer and consultant, according to NBC Washington.

They were married on October 10, 2016 on the Spanish Steps in DC's Kalorama neighborhood.

The two men were straddling their bicycles near the Starboard Bar and Restaurant when a black SUV accelerated toward them, striking them, police said.

Walton (left) was a graphic designer and consultant and Chittick (right) worked as a government contractor. They were both avid cyclists, friends said

Investigators say the driver, a 61-year-old man, had a medical emergency and blacked out behind the wheel. Intoxication is not suspected as a factor in the crash, police said.

The driver was transported to a local hospital for treatment.

Friends of the two men said they were both avid cyclists.

They had planned to take a delayed honeymoon to Hawaii this spring.

'The fact that both of them were taken like this, I still can't get my mind around it,' friend Kenny Allen told the NBC affiliate.