The Colombo Fort magistrate issued the order as the police's Financial Crime Investigation Division had requested the warrant in connection with the investigation into the alleged financial loss in purchasing Ukraine-built MiG-27 aircraft in 2006.
Weeratunga has failed to appear in court as he is overseas. A cousin of Rajapaksa, he has dubbed the action as a political witch hunt.
Several members of the Rajapaksa family have been arrested and granted bail in cases for corruption and wrongdoing during the decade-long Rajapaksa regime.
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