Kedah police have urged the public against speculating or spreading rumours, as found in social websites and Short Messaging System (SMS), that an alleged riot had taken place in Kuala Muda.

Kedah deputy police chief Datuk Abdul Ghafar Rajab said, police received many telephone calls, from 9pm to 10pm last night, on the matter.

"The stories found in Facebook, Twitter and SMS are false. In reality Kuala Muda is peaceful and calm. No deaths or serious injuries took place.

"Until now, only several incidents had taken place originating from a fight on Dec 16 (Sunday)," he told a press conference at the Kuala Muda District Police Headquarters, here, late last night.

"This is an isolated case, when a quarrel ensued after a motorcycle race and both sides called their friends which resulted in four other incidents. The perpetrators of the first incident have been arrested," he added.