Covid-19
 
Hits
Rail
Service
 
Rail
services
across the country
 
are
 
being
cancelled
 
in
 
the
run-up to
Christmas
 
as
rising
numbers
 
 
of
staff
 
fall
ill
with
Covid.
More
than
 
90,000
tested
positive
 
for
Covid
in
 
the
UK
 
on
Monday,
 
but
 
the
true
number
 
 
is
thought
 
to
 
be
much
higher.