Islamabad [Pakistan], April 16 (ANI): Former First Lady of Pakistan, Bushra Bibi, filed a petition before the Islamabad High Court (IHC) on Monday and appealed to the court for a check-up and medical tests from Shaukat Khanum Hospital or any other private hospital of her choice to examine if she was poisoned through contaminated food, Dawn reported. In her petition, Bushra Bibi said that she is suffering from heartburn, aches in throat and mouth and that she believes that it is the result of eating poisonous meals. Further, she stated that she was poisoned and subjected to psychological tortur…