Britain's Prince Charles arrives on the Bittern steam locomotive as he visits the National Railway Museum in York, Britain, Monday, July 22, 2013. Prince William's wife, Kate, is in the

 

              Britain
Britain's Prince Charles arrives on the Bittern steam locomotive as he visits the National Railway Museum in York, Britain, Monday, July 22, 2013. Prince William's wife, Kate, is in the early stages of labor in a private wing of a central London hospital, palace officials said Monday. It is a historic moment for the British monarchy — the couple's first child will become third in line for the British throne, after Prince Charles and William, and should eventually become king or queen. (AP Photo/PA, Lynne Cameron) UNITED KINGDOM OUT, NO SALES, NO ARCHIVE