Islamabad: A Sikh couple was shot dead after unidentified assailants opened fire in a gurdwara in Babu Mohalla Khawaja Ganj Bazaar area, in Mardan city of Pakistan’s Khyber Pakhtunkhwa, police officials said; local media reported on Thursday. According to the sources, the unidentified assailant opened fire in the gurdwara, killing Jagannath (70) and his wife,.