Kuala Lampur, March 23 -- Datuk Seri Najib Razak's "regrets" over an attack on six Universiti Malaya students by his own supporters is not enough, Klang MP Charles Santiago said today.

In a statement, the DAP leader called on the Pekan MP to condemn the attack as a means to send a clear message to his supporters to stop all form of thuggery.

"He has expressed regret over the incident but this is not enough.

"Najib needs to send a strong warning to his supporters to stop the thuggery once and for all,'' said Santiago.

He said the physical and verbal abuse was uncalled for as the students were merely exercising their right to peacefully assemble and freedom of expression.

"The provocateurs were nothing but hooligans. They were bully bo...