Dalbir Kaur, sister of Sarabjit Singh who was killed in a Pakistani jail in 2013, died due to heart attack aged 60. As per reports, her last rites will be performed today in Bhikhiwind, Punjab. Sarabjit was convicted by a Pakistani court for terrorism and espionage and sentenced to death in 1991. However, in 2008, his execution was indefinitely stayed.