Gavin Grey: UK correspondent on the cyber attack impacting major London hospitals

Several major hospitals in London have been impacted by a cyber attack - which led to operations being cancelled and emergency patients being diverted. The incident has had an impact on the delivery of key services, including blood transfusions and test results. UK correspondent Gavin Grey explains the widespread damage being caused by the attack. LISTEN ABOVESee omnystudio.com/listener for privacy information.