ISLAMABAD: The Federal Investigation Agency (FIA) summoned Member National Assembly(MNA) Shandana Gulzar Khan on March 14. PTI Member National Assembly Shandana Gulzar had allegedly accused Punjab Chief Minister Maryam Nawaz of audio leak, on which FIA has summoned Shandana Gulzar on the request of Pakistan Muslim League-Nawaz (PML-N) activist Shoaib Mirza. Shandana Gulzar had mentioned the slain PTI worker Zille