KUALA LUMPUR, June 29 -- Police are tracking down the driver of a Proton X70 accused of reckless and dangerous driving before crashing into another vehicle along the Damansara-Puchong Expressway (LDP) here yesterday, after footage of the incident went viral on social media.

Subang Jaya district police chief Assistant Commissioner Wan Azlan Wan Mamat said police received information on the viral video showing the SUV allegedly swerving in a zig-zag manner before colliding with a BMW, Harian Metro reported.

He said preliminary investigations found the incident occurred at about 5pm when the BMW, travelling from Puchong towards Subang Jaya, was moving slowly in the right lane due to heavy traffic congestion.

"The BMW was then hit from beh...