Tourism and Culture Minister Nazri Abdul Aziz has challenged Dr Mahathir Mohamad to disclose the election expenditure for the 22 years when the latter was prime minister.

"Mahathir ruled the country through five general elections. I want to know how much he collected, spent, and how much was left.

"When I contested and he was Umno president and prime minister, I never asked him where he got the money, but he asked (Prime Minister) Najib (Abdul Razak) and made him look like a crook," he told reporters in Kuala Lumpur today...