 Kansas allows abortion until 22 weeks and several other restrictions remain in effect. For NPR News, I'm Rose Conlin in Wichita. A derailment of rail cars carrying hazardous materials has occurred in North Dakota, though officials there say no one was injured and the threat to those living nearby appears to be minimal. 29 cars of the train went off the rails early today in a remote part of the state. The North Dakota Department of Environmental Quality says the cars were carrying ammonia, sulfur and methanol.