KARACHI - Another Rangers mobile came under attack in which a rickshaw driver was killed and three Rangers personnel wounded at Buffer Zone here in the remits of Tamoria police station. Police said Sindh Rangers, Sachal Wing, mobile parked near Azeem Shah Bukhari Shrine located in Buffer Zone area where an explosion left four men wounded including three rangers personnel and a rickshaw driver. The victims were rushed to Abbasi Shaheed Hospital where doctors pronounced the death of rickshaw driver Zubair while admitted the Rangers men with critical injuries. Police officials said that bomb was lying in the rickshaw and exploded while residents of the area said that rickshaw was parked before the incident. Witnesses said that Rangers mobile was damaged then the rickshaw therefore it would be difficult to ascertain modus operandi of the terrorists.It is pertinent to mention here that it was the third attack on rangers personnel deploying and patrolling in the City within couple of days. However, law enforcers have yet to ascertain the group involved in the current terrorist attacks.