London commuters face significant disruption to their journeys after a po
wer failure knocked out parts of the capital’s underground network.
Trains are delayed or not running on all or some sections of the Bakerloo, Jubilee, Piccadilly and Northern lines. T
he Elizabeth Line, a key link to Heathrow Airport, is fa
cing severe delays. Some services were resuming by early evening.
The power is back but services will take time to return to normal, a Transpo
rt for London spokesman said, adding that the operator is working with National G
rid Plc on the issue.
“The fault was res
olved within seconds and did not interrupt supply from our network, but a con
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sequent voltage dip m
ay have briefly affected
power supplies on the l
ow voltage distribution network in the area,” a National Grid spokesperson said.
The disruption com
es just weeks after Heathrow was shut down for much of March 21 w
hen a fire knocked out the main substation supplying t
he airport. A Heathrow spokesman said the hub was unaffected by Monday’s power failure.
As many as 5 million jo
urneys a day are made on the underground network.











