Health Minister S Subramaniam said they did not show any signs of illness arising from exposure to the deadly toxic substance.

“A medical check has been conducted and the suspects are free from the (effects of the) nerve agent and there is no sign of illness among the suspects,” he told reporters after an event here tonight.

It was reported that Jong Nam, the half-brother of North Korean leader Kim Jong Un, was waiting for his flight to Macau at the KL International Airport 2 (klia2) on Feb 13 when two women suddenly wiped his face with with suspected poison, which was later confirmed to be the VX nerve agent.

He died on the way to hospital.

The Indonesian and Vietnamese female suspects are expected to be charged tomorrow in connection with the killing.