Nafe Singh Rathi, Haryana unit president of Indian National Lok Dal and former MLA, was shot dead on Sunday evening by unidentified gunmen who ambushed his SUV in Jhajjar district. Another party leader who was travelling with him also died while two others were critically injured. A case of murder has been registered against BJP leader Naresh Kaushik and several family members of Bahadurgarh municipal corporation chairperson Saroj Rathi, among others. Senior police officer Arpit Jain said five teams led by two DSP-rank officers are investigating the killing. "We will trace the killers at the earliest," he said.