Former PM

The court ordered Mr Khan's immediate release. His lawyers had argued that his detention from court premises in Islamabad on Tuesday was unlawful.

At least 10 people have been killed and 2,000 arrested as violent protests have swept the country since he was held.

BBC reports Tuesday's arrest escalated growing tensions between him and the military.

The opposition leader, ousted in a confidence vote in April last year, was brought to court on the orders of Pakistan's top judge.

Both men have pleaded not guilty to one count each of abuse of office.

RNZ Pacific reports Magistrate Seini Puamau has set bail at $FJ10,000 (over $NZ7,000), according to local media reports.

Bainimarama and Qiliho have also been ordered not to leave the country and to reside at a permanent address.

Magistrate Puamau also ordered them not to interfere with witnesses.

They are next expected in court on May 11.