KUALA LUMPUR, Aug. 3 -- A 55-year-old person has been taken into police custody as a suspect following public complaints of objects being thrown at road users passing near the Imbi monorail station area in Kuala Lumpur.

Monorail operator Rapid Rail said auxiliary police officers attached to its parent company Prasarana, made the arrest at 12.50pm today.

"The suspect who is suspected to be mentally disturbed has been handed over to the police for action," it said in a series of posts on Rapid KL's social media accounts this afternoon.

Rapid Rail did not specify the suspect's gender.

The company said the arrest was made after a report was filed about a man seen throwing a stone at motorists under the Imbi monorail station that smashed a...