Howard County Police said a two-vehicle collision in Columbia left one person with non-life threatening injuries and two others with life threatening injuries.
Around 5:30 p.m. Sunday, a 2009 Honda Civic was traveling eastbound on Route 175 through the intersection with Dobbin Road, when it struck a 1995 Toyota Camry traveling southbound on Dobbin Road, police said.
The driver, a male adult, of the Honda Civic was taken to the University of Maryland Shock Center, where he was later pronounced dead. A passenger, an adult female, in the Honda was taken to the University of Maryland Shock Trauma Center for treatment of life threatening injuries.
The driver, an adult female, of the Toyota Camry was taken to the Howard County General Hospital for treatment of non-life threatening injuries.
Police believe the driver of the Honda did not stop for a red light.
Route 175 eastbound at Dobbin Road and Dobbin Road between 175 and Dobbin Center Way are closed as police continue to investigate the collision.
Update: Police have identified the driver of the Honda as 55-year-old Shuo Zhang of Baltimore. The passenger was identified as 86-year-old Lingyu Yin of Ellicott City is listed in serious condition.
The woman driving the Toyota has been identified as 40-year-old Toni Marie Guthrie of Columbia.
Eastbound Route 175 and Dobbin Road was closed for about three hours.