Three people have been killed in a high-speed crash in Dallas that police believe happened during a street race, a report says. 

Family members told KDFW that the drivers of the two vehicles involved in the wreck Friday are two brothers in their 20s – the younger of which is amongst the deceased. 

Police told the station that a Range Rover and Chevy Tahoe were speeding when they made contact, forcing the Tahoe to leap a guard rail and smash into a building. 

The crash caused one of the vehicles to jump a guardrail and smash into a building.  (Courtesy: KDFW)

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All three people inside the Tahoe – including two who were thrown from it – died in the accident, according to KDFW. 

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The Range Rover, meanwhile, collided with a telephone pole and burst into flames, the station adds. Its two passengers are reported to be in stable condition. 

Police are investigating the incident as a "Racing Causing Death Offense and FSRA (failure to stop and render aid) Death," KDFW reports.