coronavirus restrictions.The new tiered system was unveiled by the Prime Minister on Monday.Areas of England will now be ordered into “medium”, “high” and “very high” alert levels - or Tier one, two and three.It was announced on Thursday morning that millions of people in London will be subject to Tier 2 measures from this weekend.Later, the health secretary Matt Hancock also confirmed parts of Cumbria, Essex, Derbyshire, Surrey and Yorkshire will also move to Tier 2.From Saturday, London, Essex, Elmbridge, Barrow in Furness, York, North East Derbyshire, Chesterfield and Erewash will move to the 'high' Covid alert level.He told the Commons: "Working with local leaders in Essex and Elmbridge, we’re also moving them into local alert level.