Londoners are facing delays on their commute to work on Tuesday morning, with suspension on several TfL services. At 6:55am, the Circle and Hammersmith and City lines lines were suspended due to a ...

(CNN) — Here’s a look at the London Underground, also known as “The Tube,” the oldest subway or metro transit system in the world. There are currently 272 stations open and 249 miles (402 km) of ...