Mumbai 26/11 attack mastermind Hafiz Saeed's brother-in-law Hafiz Abdul Rahman Makki died due to a cardiac arrest at a hospital in Pakistan's Lahore on Friday, PTI reported. The banned Jamaat-ud-Dawa's deputy chief had been sentenced to six months in jail for terrorism financing in 2020. Jamaat-ud-Dawa is the front organisation for Pakistan-based terrorism outfit Lashkar-e-Tayyiba.