COLOMBO (News 1st) – Early Warning and Early Action for All: Leave No One Behind was the theme for this year's national event to commemorate International Day for Disaster Risk Reduction.Sri Lanka marked International Day for Disaster Risk Reduction in Colombo on Thursday (13) stressing the fact that none should be left behind during any disaster situation.The event was graced by Hon Premitha Bandara Tennakoon, State minister of Defence as the Chief Guest, and General GDH Kamal Gunaratne (Retd) Sec to the Ministry of Defence respectively. Video: .