Lahore: PTI leaders Umar Ayoub, Zain Qureshi, Aleema Khan and Uzma Khan have filed exemption from attendance plea in May 9 related cases. The cases related to attack on Jinnah House, Askari Tower and siege and arson came up for hearing in ATC Lahore on Wednesday. Exemption from attendance pleas were filed by Aleema Khan, Uzma Khan sisters of PTI founder, Umar Ayoub and Zain Qureshi. The court was told that Umar Ayoub had gone to ATC Rawalpindi and ATC Faisalabad in connection with his appearance. Aleema and Uzma Khan have gone in connection with their attendance in ATC Islamabad. Zain Qureshi has gone for appearing in ATC Rawalpindi.