A cabby deliberately knocked over a motorcyclist after the two were involved in a road dispute, Chinese evening daily Wanbao reported.

According to witnesses, the cabby immediately left the scene after the motorcyclist fell over.

The incident turned into a car chase when a lorry driver who witnessed the incident gave chase.

The fracas occurred at the junction of Tampines Avenue 4 and Tampines Avenue 1 on July 30 at about 12.40pm.

Witnesses told Wanbao both the cabby and the motorcyclist were involved in an overtaking dispute earlier on.

Mr Tan Wen Chao, who witnessed the incident, told Wanbao that the cabby had horned at the motorcyclist after both stopped at the red light.

Both parties started arguing and the cabby made rude gestures at the motorcyclist, Mr Chen told Wanbao.

Mr Chen added, "I thought it was fine if both parties just sparred with words."

Mr Chen said then the lights turned green. Both cabby and motorcyclist began to move off.

But suddenly, the cabby swerved, knocked into the motorcyclist and sped off.

Other witnesses even added that it was the cabby's second attempt to knock over the motorcyclist. The first had failed.

The indignant Mr Chen then decided to give chase in his lorry after checking that the motorcyclist had received help.

The chase, however, was shortlived as Mr Chen lost the culprit at Tampines Central.

After circling around the area for a while, Mr Chen made a police report, Wanbao reported.

The police confirmed that such a report have been made.