LAS VEGAS, Nevada (KDXU) - A 6 vehicle crash killed 9 people and left one person in critical condition in Nevada and police are trying to figure out if a driver was under the influence before running a red light, causing the incident.

Las Vegas police say the driver and his passenger were among those who died and ages of the victims ranged from children to middle-aged adults.

A total of fifteen people were involved in the crash and police say they've never seen a mass casualty traffic collision like this before.

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