One person has died and several others have been injured in the explosion that took place in a Yerevan State University (YSU) building Friday morning. According to preliminary data, three injured persons have been hospitalized, the Ministry of Health of Armenia informs Armenian News-NEWS.am. Also, according to preliminary data, there is one casualty as a result of this explosion. Additional information will be provided regarding the health condition of the injured. Earlier, Armenian News-NEWS.am reported that an explosion took place in the basement of the building of the YSU Faculty of Chemistry of this morning.