LUCKNOW, Feb. 3 -- Police have launched an investigation after a video purportedly showing a youth ramming barricades with an SUV and performing dangerous stunts on a busy road in Gomti Nagar Extension, Lucknow, surfaced on social media. Sudheer Awasthi, SHO of Gomti Nagar Extension police station, said on Monday that a probe has been initiated based on the video. "We are examining the footage to identify the youth and the vehicle," the officer said. The undated video purportedly shows the incident on the G-20 Road in Gomti Nagar Extension. In the footage, the youth is seen ramming his four-wheeler into barricades installed for traffic control, knocking them down before speeding away. Moments later, he is seen opening the door of the moving vehicle and standing on it while the SUV continues to race ahead....