London Underground delays: Circle, District, Hammersmith & City Tube problems after signal failures
08:26 28 May 2012
Signal failures have caused severe delays to three Tube lines this morning.
A failure at Temple is causing disruption to the Circle line.
Meanwhile, a signal failure at West Ham is causing delays on the District line.
The same problem is affecting the Hammersmith & City line, which is suspended between Liverpool Street and Barking.