India, Aug. 22 -- A man is reportedly suing Uber after allegedly being punched and headbutted by a driver after he tried to bring his service dog along for the ride. A video captured the violent incident where a driver, identified as 42-year-old Russian national Uliumdzhiev Vadim Nikolaevich, is seen engaged in an altercation with 45-year-old biotech CEO, Bryan Kobel.

In the footage, which is now going viral, Nikolaevich gets out of his car and grabs Kobel's throat. The former is also seen headbutting and punching Kobel, knocking the CEO's dog to the ground.

Immediately after the confrontation, Nikolaevich returned to his car and drove away. According to a Fox News report, a woman who witnessed the incident called 911 to help Kobel.

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