Europe is now the epicentre of the coronavirus pandemic, according to the World Health Organisation. As the number of coronavirus cases spreads across the continent, Katya Adler hears from Dr Margaret Harris from the World Health Organisation and former Government Chief Scientific Adviser Sir Mark Walport on the UK and international response. Also on the programme, Sinn Fein president Mary Lou McDonald, Labour deputy leadership candidate and A&E doctor Rosena Allin-Khan, and Ska Keller, co-chair of the Greens in the European Parliament.