Deputy prime minister Ahmad Zahid Hamidi has warned the North Korean embassy that if they keep lambasting Malaysia, they would have to pay a heavy price.

"If the rebukes keep coming from the relevant embassy, they will pay a heavy price.

"As an embassy, they know where their script is coming from," Ahmad Zahid said in a press conference after officiating Felda Youth Council annual general meeeting in Kuala Lumpur today.