Train services are being cancelled across the U.K. as firms struggle with chronic staff absences amid surging coronavirus cases.
Anybody in the UK who tests positive for COVID-19 must isolate immediately, straining transport networks and other industries as the country returns to work after the festive season.
Our correspondent Giles Gibson has more from London.
IN: "Almost one in ten…"
OUT: "...Giles Gibson, London."
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