A blast occurred Monday at the Bucharest Nuclear, Biological and Chemical Defence and Ecology Research Center of the Romanian Ministry of Defense, killing one officer who was working there, the ministry said.Major engineer Octavian – Viorel Mihai received first aid from the unit’s doctor and was immediately taken to the nearest hospital, to receive specialized medical attention, but he passed away.The officer was 37 years old and was working at the center since 2004. Part of his job involved working with powders and explosives. Another two slightly injured in NBC Research Center explosion A woman who was injured in the...