Why is South Africa's new variant so scary? UK bans travel to SA

Cases in South Africa have risen from fewer than 3,000 a day at the start of December to more than 9,500 a day as of Tuesday, apparently driven by a variant called 501.V2. https://www.dailymail.co.uk/news/article-9083081/South-Africas-second-wave-driven-mutant-Covid-19-strain.html?ns_mchannel=rss&ns_campaign=1490&ito=1490