Journalist (Russian): «What is their condition?» Doctor (Russian): «Moderately grave condition.» Journalist (Russian): «What kind of injuries do they have?» Doctor (Russian): «Barotrauma.» Journalist (Russian): «So there are no tears of tissues?» Doctor (Russian): «No, there are compound wounds, concussion, but mainly it is the eardrums and ears.» Journalist (Russian): «Are all of them... Еще in stable condition?» Doctor (Russian): «Yes, their condition is stable.» Head of Emergency Medicine at St. Petersburg's Elizavetinskaya hospital, Andrei Kunaev, reported on the condition of people injured in the Perekrestok explosion, Wednesday. According to Kunaev, five injured were delivered to the hospital, one of whom was released shortly after the checkup. Others remain in «moderately grave condition» with compound wounds, concussions, and barotraumas. Earlier in the day, the blast hit the Perekrestok supermarket in the Gigant Hall leisure centre, which left ten people injured. According to the Russian Investigative Committee's preliminary findings, a home-made explosive device full of striking elements was detonated in a safe case encompassing one of the supermarket's checkout lanes. The blast occurred at around 15:30 GMT. Police, emergency services, the Federal Security Service, and the Russian Investigative Committee are at the scene. The exact cause of the incident is currently under investigation by the Russian Investigative Committee and the National Anti-terrorism Committee (NAC). It is allegedly being treated as a potential mass homicide attempt.