More
than

a
hundred
trains
have
been
cancelled
or
delayed
after
a
fire
in
an
electrical
substation
near
London
Heathrow
Airport
left
the
terminals
in
darkness.
About
150
homes
in
Hayes
have
been
evacuated
and
nearly
5000
are
without
power.
More
than
1000
flights
have
been
diverted.

London
Fire
Brigade
said
it
has
now
brought
the
fire
under
control,
and
that
70
firefighters
had
been
called
to
the
scene.

The
effects
of
the
power
cut
have
disrupted
train
services
in
west
London.
Elizabeth
Line
trains
are
not
running
between
Hayes
&
Harlington
and
the
airport,
and
Transport
for
London
said:
‘Please
do
not
travel
to
Heathrow
Airport
as
it
is
expected
to
remain
closed
all
day.’

Heathrow
Express
services
have
been
halved
to
every
30
minutes,
and
although
trains
are
carrying
passengers
out
of
the
airport
the
operator
is
not
allowing
anyone
to
travel
to
the
airport
from
London
Paddington.
However,
Piccadilly
Line
trains
are
reported
to
be
running,
although
again
passengers
have
been
warned
not
to
travel
to
any
airport
terminal
station.

An
investigation
has
been
started
into
the
cause
of
the
blaze
in
a
transformer,
which
also
affected
back-up
systems.

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