The Inland Revenue Board (IRB) has purportedly raided a company belonging to one of Dr Mahathir Mohamad's sons, according to a source close to the former premier.

“Yes, it is (true about the alleged raid). Not today, (it happened) yesterday,” he told Malaysiakini.

Malaysiakini had sighted photographs purportedly taken during the raid. However, there were no details as to where the alleged raid took place or the firm involved.

However, the source said it is believed that the company belongs to Mokhzani, who is one of the richest people in Malaysia...