In the UK today the NHS has started the biggest vaccination drive in British history at 50 hospital sites where the UK's new weapon in the war on COVID-19 is being rolled out to the over-80s, the vulnerable and frontline hospital and care home staff. Around 5,000 people are expected to be vaccinated on Tuesday. eNCA's UK and correspondent Olly Barratt has more on this. Courtesy #DStv403