HAMILTON COUNTY, Ohio — A Springfield Township police officer and another driver died early Friday morning after a car crash, according to the Hamilton County Sheriff's Department.

Timothy Unwin, 37, had been responding to a call when the collision happened. Officials said the second person who died was William Dunson, 50.

"Hamilton County Sheriff Charmaine McGuffey and the Hamilton County Sheriff's Office offer our deepest condolences to the Springfield Township Police Department in the loss of Officer Timothy Unwin while responding to a call in the overnight hours of March 31st. We also offer our thoughts and prayers to Officer Unwin's family," a press release from the Hamilton County Sheriff's Department said. "We extend our sincerest condolences to Mr. Dunson's family as well."

The crash occurred around 1 a.m. on Hamilton Avenue near Galbraith Road in North College Hill. 

The Hamilton County Sheriff's Department is handling the investigation, and no other details have been released at this time.

“Civil society depends on selfless sacrifice, sometimes the ultimate sacrifice. We should never take their service for granted," said Attorney General Dave Yost in a statement. "My deepest condolences are with Officer Unwin's family, fellow officers and the Springfield Township community." 

This story will be updated when more information becomes available.