Police Investigating Fatal Collision in Derwood

An 83-year-old Gaithersburg man died from injuries suffered in a two-car collision at Shady Grove Road and Crabbs Branch Way in Derwood on Thursday, county police said in a news release.

Ralph Warren, Jr., of the 8300 block of Lando Court in Gaithersburg, was a passenger in a 2003 Toyota Prius driven by his wife, Marilyn Warren, 81, of the same address, police said.

According to a preliminary police investigation, the Prius, which had been traveling southbound on Shady Grove Road and attempting to turn left onto eastbound Crabbs Branch Way, collided in the intersection with a 2007 Toyota RAV4 driven by Kar Yang Yu, 55, of the 7500 block of Weatherby Drive in Rockville. 

Yu was uninjured in the collision, which police and fire crews responded to about 12:50 p.m. on Thursday. The Warrens were taken to Suburban Hospital in Bethesda, a police spokeswoman said.

Ralph Warren Jr., who was seated in the front passenger seat, died at the hospital, the release said. Marilyn Warren was treated and released, a hospital spokeswoman said.

Montgomery County police are continuing to investigate the incident. Anyone who witnessed the collision is asked to call the police department’s Collision Reconstruction Unit at 301-840-2435. Callers may remain anonymous.