LONDON: Begum Kulsoom Nawaz Sharif suffered cardiac arrest while ex-Prime Minister Nawaz Sharif and daughter Maryam Nawaz were on board to London form Pakistan on Thursday. She was already on treatment of Cancer but reportedly a clot caused minor blockage causing heart attack. Her heart stopped working for very brief period of 10 minutes. She was placed on ventilator in ICU. Shahbaz Sharif has requested all to pray for her. Imran Khan (PTI), Zardari House (PPP) and Choudray brothers (PML-Q) have all expressed well wishes for the ailing wife of Nawaz Sharif.