A Pakistani court has rejected a request by former President Asif Ali Zardari and his sister for an extension of their bail that would allow them to remain free despite facing a multimillion-dollar money laundering case.

The decision paves the way for the country's anti-graft body to arrest the two, perhaps within hours.

Zardari, currently a lawmaker in Parliament, and his sister Faryal Talpur, also a politician, are accused of having dozens of bogus bank accounts.

The two attended the court hearing but were not arrested at the scene.

The anti-graft body has arrested several politicians on corruption charges since Prime Minister Imran Khan took office last year. Khan's predecessor, Nawaz Sharif, was removed from office by the Supreme Court over corruption allegations.