Zain Ali Effendi, a grandson of Hassan Ali Effendi, was murdered at his home near the Mazar-e-Quaid in the wee hours of Wednesday. Unknown armed men entered in his residence in the wee hours of Wednesday and shot him dead, the police said. Zain Ali Effendi was grandson of Hassan Ali Effendi, the founder of Karachi’s Sindh Madrasatul Islam, which was established in 1885. According to police officials, five accused were entered at the residence of Zain Effendi at 3:25am and remained in house for up to 55 minutes. The armed men had arrived in a white Corolla car, the police further said.