Parti Pribumi Bersatu Malaysia (Bersatu) Youth wing's invitation for Prime Minister Najib Abdul Razak to debate Dr Mahathir Mohamad was not a threat, said party president Muhyiddin Yassin.

Muhyiddin said as such, Umno Youth should not have blocked the Bersatu Youths as they did yesterday.

"I don't think (the invitation) can be considered a threat or so on. (Umno Youth) should have been more gentlemanly," he said at a press conference in Parliament today...