On Saturday, at approximately 9 p.m. local time (19:00 GMT), the police received information about the explosion in the dormitory, located at Karl Marx Street.
"The law enforcement officers have established that two men received mortal wounds due to the explosion", the police wrote on Facebook.
According to Kiev police chief Andriy Kryschenko, right now the evidence points to a grenade explosion.
The police have identified the victims: one was a security guard, the other one was a construction worker.