Services on the busy section between Piccadilly Circus and Elephant & Castle had to be suspended after a bulge appeared in the tunnel near Embankment station. There were also severe delays on the rest of the line, with disruption lasting through the rush-hour and the rest of the morning.
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Simon has Saturday's forecast for the west of the region
Simon has Saturday's forecast for the east of the region
Holidaymakers have been describing the terrifying moment they were caught up in an earthquake which hit parts of Greece and Turkey.