Stansted Airport has said on Twitter that it is dealing with a power outage which is "impacting fight operations" at the London airport.
More top news
Almost a fifth of hospital patients were also unable to reach their call button, a report warned.
At least 2,400 cancer sufferers die needlessly every year because their GP does not refer them to a specialist quickly enough.
It comes after shadow chancellor John McDonnell made a surprise U-turn on the Tory budget vote which is due later today.