St. Petersburg, Russia: Several floors of a university building in Russia’s second-largest city, St. Petersburg collapsed on Saturday evening, as per reports by Associated Press. No immediate reports on casualties are known. Also Read - Coronavirus Enters New Stage in Moscow, Says Mayor Sergei Sobyanin

The cause of the collapse is not clear. The floors of the Saint Petersburg National Research University of Information Technologies, Mechanics and Optics crumbled without a warning. Reportedly, there may have been students in the building for elective weekend instruction. Also Read - Coronavirus Slams Russia, Africa, India as Global Cases Reach 5 Lakh

The school, popularly known as ITMO University, is one of Russia’s National Research Universities. Also Read - Vote on Russia's Constitutional Reform Postponed Due to Coronavirus Crisis, Says Putin