Pakistani authorities have issued an arrest warrant for the country's interior minister on corruption charges, following a supreme court ruling that nullified a deal granting officials amnesty from criminal investigations.

The warrant for Rehman Malik's arrest was issued by the National Accountability Office on Friday, two days after the National Reconciliation Ordinance (NRO) was declared void and unconstitutional.

Imran Khan, Al Jazeera's correspondent in Islamabad, said that the warrant was the first to be issued against a senior official since the NRO was ruled illegal.

"Rehman Malik had a number of cases against him. The key one is something called the 'yellow cab' scheme. There were financial irregularities declared against him, that he was involved in handing out loans for yellow cabs," Khan said.

"He was convicted in that case and he appealed it. The appeal was going through when on, October 5, 2007, the NRO came into effect.

"That [ordinance] was struck down [this week], so that case has been reopened."

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