First No 10 said Boris Johnson and Rishi Sunak would avoid self-isolation – after all after they were both in contact with the health secretary, who has tested positive for coronavirus – by taking part in a daily Covid-testing trial instead.
But now the prime minister and the chancellor are self-isolating after all.
The BBC’s been asking people in York for their views on the U-turn.
Read more: PM and chancellor self-isolate after rapid U-turn