Department of Transportation spokesman Bill Mosley said the department had received 150 complaints from customers who had bought the "error fares" and was still determining whether United had violated the rules.

CNN: Too good to be true: New York to Hong Kong for $43

On Tuesday , the Commons meets at 11.30am for justice questions and then there's a ten minute rule bill from the Conservative Stephen Mosley on Building Regulations (External Retaining and Load-bearing Walls).

BBC: Week ahead