BAGAN DATUK, May 3 -- Datuk Seri Ahmad Zahid Hamidi has reportedly asserted that Umno remains steadfast in its support for former prime minister Datuk Seri Najib Razak.

The Umno president said "seeking justice" for Najib is central to the party's mission, and he dismissed claims that he had failed to defend his predecessor.

"Umno is being tested by Allah. One of the biggest tests is having our former president still in prison. This remains a pillar of our struggle," he was quoted saying by Utusan Malaysia.

Zahid said he had just visited Najib in Kajang Prison earlier on Tuesday with party vice-president Datuk Seri Mohamed Khaled Nordin and Selangor Umno chief Datuk Megat Zulkarnain Omardin.

"If anyone claims that Umno or I personally ...