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HOUSTON – The Houston Police Department is investigating an auto-pedestrian accident in southwest Houston on Christmas morning.

The accident happened around 2:30 a.m. near the intersection of Hillcroft Avenue and Westward Street.

According to police, a man was walking across Hillcroft Avenue and then was struck by a vehicle. The vehicle then veered off, and struck another vehicle.

The pedestrian was transported to a local hospital in serious condition, police said. Both drivers were not injured.

According to police, the driver at fault will be tested for alcohol and/or drug usage.