ISLAMABAD: Pakistan Tehreek-e-Insaf (PTI) founder and former prime minister, Imran Khan, and his wife, Bushra Bibi, were arrested by the National Accountability Bureau (NAB) on Saturday hours after being acquitted in the Iddat case, sources revealed. A NAB team, led by Deputy Director Mohsin Haroon, arrived at Adiala Jail, where the former prime minister and his wife were taken into …