Boiler Exploded near a School and Wounded Teachers

An electric boiler exploded in a house near the Academician Nikola Obreshkov Secondary School in Razgrad, Darik Radio reported, two people who were at the time of the accident at the school's fence were injured. Then an ambulance took them to the hospital.
Two windows of the house were broken from the blast. One has flown across the street. There were no people in the house at the time of the incident.