Six people died and four people were injured overnight in four separate crashes in Dallas County, three of which occurred in West Dallas, officials say.
The first of the deadly crashes happened at about 7:40 p.m. in the 400 block of Easter Parkerville Road in DeSoto.
A motorcycle was speeding and crashed into a sedan that was turning from Parkerville onto Mockingbird Lane, DeSoto police said.
The motorcyclist, a 34-year-old man whose identity has not been released, died at the scene.
No other injuries were reported.
Shortly after midnight, Dallas officers responded to the 300 block of West Mockingbird Lane, where witnesses told police two vehicles had been speeding and collided.
The crash sent one of the vehicles, a Chevrolet Tahoe, into the air and into a building. All three people in the SUV were pronounced dead, police said.
The second vehicle, a Range Rover, crashed into two telephone poles and caught on fire, police said. The two people in the Range Rover were hospitalized and are in stable condition.
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The identities of the three people who died have not been released.
Police said the vehicle crimes unit is investigating to determine whether other people were involved and if charges will be filed.
At about 1:17 a.m., the driver of a Dodge sedan driving the wrong way in the 4300 block of Singleton Boulevard crashed head-on into a Toyota Tundra, police said.
The driver of the sedan was taken to a local hospital, where he died. The passenger in the truck was hospitalized in stable condition.
About 30 minutes later, an SUV struck a vehicle that had been abandoned on the shoulder of Interstate 30, near North Westmoreland Road, according to the Dallas County Sheriff's Department.
A man was pronounced dead at the scene, and a woman was transported to a local hospital in stable condition, the sheriff's office said.
No additional details were released about the cause of the crash.