The National Accountability Bureau (NAB) served summons on PTI chairman Imran Khan and his wife Bushra to join the investigation in the Al-Qadir Trust case today.

A two-member NAB team served the summons at the Zaman Park residence.

Asked whether the former premier and his spouse would join the investigation in which he was arrested and later released on bail, a PTI leader told Dawn that the PTI chief has not yet decided to attend the NAB proceedings.

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