Two persons were taken to the National Center of Burns and Dermatology in Yerevan as a result of the explosion that occurred Friday morning in the basement of the building of the Yerevan State University (YSU) Faculty of Chemistry. The aforesaid persons are Seyran Bichakhchyan, 70, and Aharon Hakobyan, 65, the burn center informed Armenian News-NEWS.am. "We bandaged them here and sent [them] to Armenia Medical Center. They had polytrauma, multi fragmentary injury, third-degree chemical burns," they added. Earlier, Armenian News-NEWS.am reported that an explosion took place and a fire broke out in a room on the basement floor of the 1st building of YSU. At around 9:40am Friday, 911 emergency hotline of Armenia received a call informing that a fire had broken out in a YSU building. According to preliminary data, there is one casualty as a result of an explosion at YSU, and three people have been injured and hospitalized. According to the initial theory, the fire was caused by the fluctuation of electricity current. The fire has been extinguished.