A train carrying crude oil has derailed in Virginia, forcing the evacuation of hundreds of residents and spilling into the James River. The company CSX says 15 tankers broke free of the train near Lynchburg, with at least three catching fire. The oil has spilled for hours into the James River, which is the capital Richmond’s main water supply. It was the second oil train accident for CSX this year and the sixth overall in North America since the derailment that killed 47 people in Quebec last July. Environmental groups have campaigned for a ban on oil train routes through the Richmond area. In a statement, the Sierra Club said: “In the wake of this, and other recent dirty fuel disasters, it’s clear that we must move as quickly as possible to safer, cleaner forms of energy like wind and solar. The safest place for dirty fuels is in the ground.”