The first crash happened at the intersection of Westheimer and the West Beltway when an HPD SUV collided with a civilian car. No major injuries were reported in that accident.
An hour later, a much more serious crash ocurred at the intersection of Shepherd and Inker.
A Houston police officer was on their way to a family disturbance call when a civilian driver ran a stop sign and collided with the cruiser, according to police. The crash rolled the civilian's vehicle onto its side.
The officer was not driving with emergency lights or a siren, but was trying to get to the scene quickly, HPD said. The driver of the other vehicle suffered a cut to their head.
The officer was not seriously injured.