The death toll in the Italian earthquake has risen to at least 247 as thousands of rescuers continue efforts to find survivors. Undersecretary general of the Red Cross Barbara Contini, who is coordinating the response, and Warner Marzocchi, co-chairman of the Seismic Hazard Center at the National Institute of Geophysics and Volcanology, discuss the impact of the earthquake and the likelihood of further seismic disasters.