Gangster and former Rashtriya Janata Dal (RJD) lawmaker Mohammad Shahabuddin's nephew was shot dead late last night in Bihar. The killing led to protests in the town of Siwan, 162 km from capital Patna. No arrests have been made yet. Mohammad Yusuf was shot dead in Siwan's Pratappur village, from where Shahabuddin is. He was shot dead by unidentified persons late on Friday, the police said.