UK Covid live: health department insists Johnson & Johnson’s decision will not derail vaccine rollout

Latest news: UK has 30m doses of the Johnson & Johnson product on order, but it has yet to be authorised; PM says people have just got to understand' the consequences of loosening restrictions

• NHS England vaccine website crashes as Moderna rollout begins
• Scotland to lift Covid restrictions ahead of schedule
• All over-50s and high-risk groups offered vaccine ahead of target date
• Surge testing in south London as South African variant cases rise
• Global coronavirus updates - live

4.54pm BST

Here is a quick recap of the main Covid-related news in the UK today:

Related: Coronavirus live news: Johnson & Johnson to proactively delay' vaccine rollout in Europe over blood clot reports

4.23pm BST

This is from Open Democracy's Peter Geoghegan:

A friend going through Heathrow just sent this. More than a year into a pandemic - and with new variants most likely to be imported - and this is still the state of key border entry point pic.twitter.com/1Gaknn57ik