After a desperate, deadly year of coronavirus, the UK's vaccination programme has delivered first doses to 15 million of the oldest and most vulnerable.
The EU has introduced controls on the export of COVID-19 vaccines from the bloc to Northern Ireland - sparking an angry response from First Minister Arlene Foster.
The EU is accusing pharmaceutical companies of prioritising vaccine supplies to the UK.
Footage of people queueing to receive the vaccine at The Jenner Practice in Forest Hill, London.
South Africa is suffering a sharp spike in cases, driven by a new variant that may reduce the effectiveness of vaccines.