At least 15 people died and 25 were injured on Sunday when a bus plunged into a ditch in the Coochbehar district of West Bengal, India, Indo-Asian News Service (IANS) said. The injured were hospitalized; four remain in a critical condition. Local people later went on the rampage over claims that the injured received improper treatment. A broken front wheel which caused the driver to lose control was cited as a preliminary cause of the crash. India`s transport system has a notoriously high fatality rate, with around 100,000 people dying in road accidents each year.