Prime Minister Boris Johnson said "we must act" to stop the rise in coronavirus cases in England.
He set out a new "rule of six" restricting gatherings to a maximum of six people, enforced with fines or arrests.
Mr Johnson also outlined a "moonshot" plan to control the virus with mass testing.
This breaking news story is being updated and more details will be published shortly. Please refresh the page for the fullest version.
You can receive Breaking News on a smartphone or tablet via the BBC News App. You can also follow @BBCBreaking on Twitter to get the latest alerts.