Leaders around the world have urged people to follow their countries' measures amid reports some were not following advice to restrict their movements and stay at home.
In other developments:
- In Italy, the worst-hit European country, nearly 800 people died in the past day, bringing the total number of dead to 4,825
- Prime Minister Boris Johnson said the numbers in the UK were "very stark" and "accelerating", adding: "The Italian death toll is already in the thousands and climbing. Unless we act together... then it is all too likely that our own NHS will be similarly overwhelmed."
- In a message to the country on Saturday evening, Mr Johnson urged people not to visit loved ones on Mother's Day, which will be celebrated on Sunday. You can read more here
- Spain's Prime Minister Pedro Sánchez has warned that "the worst is yet to come" as he urged people to stay indoors
We're pausing our coverage but you can get the latest developments around the world in our main story.