India, Aug. 22 -- A late-night road rage incident in Kerala's Thiruvananthapuram led to the brief detention of union minister and BJP MP Suresh Gopi's son, Madhav Suresh, and Congress leader Vinod Krishna on Thursday.

Madhav Suresh was driving, when his car came head-to-head with Vinod Krishna's vehicle, which had just taken a U-turn from the opposite side. With limited space to pass, a verbal spat broke out between the two.

Some bystanders alleged that the BJP MP's son appeared to be under the influence of alcohol. He was taken to Museum Police Station and tested, but no trace of alcohol was found, police said. Madhav, in turn, told the police that the Congress leader had been driving while speaking on the phone.

Police said both Madh...