The Kuala Lumpur police today released images of individuals it is seeking for investigations into attacks on media personnel at the the May 1 anti-GST rally near Dataran Merdeka.

In a statement today, the authorities urged any members of the public who identifies the 11 individuals to come forward and aid the probe.

The photographs were released on the Kuala Lumpur police's Facebook page.

The police said that two police reports have been lodged by media personnel on threats and attacks by a group of about 20 to 30 individuals clad in black.

The matter is investigated as "rioting", an offence which is punishable with up to two years jail or a fine or both.

The media personnel were from publications Focus Malaysia , The Malaysia Reserve and Oriental Daily .

All complained of "trauma and pain", the police said.

The incident happened when the Kuala Lumpur rally was about to conclude at about 5pm.

Malaysian Press Photographers Association, in a statement after the incident, said that another media personnel from Xin Hua news agency was also attacked.

Malaysiakini reported the Xin Hua videographer was kicked while another youth hurled a wooden flagole that struck another photographer.

The May 1 rally attracted about 50,000 people and was largely peaceful.