Mumbai, Sep 23 (Reporter) In a tragic accident, four passengers died, and 40 others were injured on Monday after a private tourist bus fell down from a bridge in Amravati city of Vidarbha region of Maharashtra, a police official said. The incident occurred near Semadoh village on Paratwada-Dharni road at 0800 hours, he said. Out of 40 injured, the condition of seven injured is critical while another 33 have sustained minor injuries. All the injured have been hospitalised, he said. According to available details, the bus was proceeding to Buldhana from Khandwa in Madhya Pradesh. Probe into the cause of accident is underway, though, prima facie, it seems the bus driver lost control of the vehicle, official added...////...