FirstGroup mulling options for U.S. assets

(Reuters) - FirstGroup Plc said on Monday it was exploring options, including a potential sale, for its North American contract businesses, which could result in the British bus and train operator exiting the United States.The announcement comes less than a month after FirstGroup said it would focus on its core U.S. contracting businesses, which include the First Student school bus service and First Transit transportation service, leading to calls from two top shareholders to sell those assets..