"The blast hit in the afternoon on the intersection of Baimagambetov and Lermontov streets in Kostanay. According to the witnesses, the epicenter was located in the building of a service station and a doner house. According to the report, gas equipment was being installed in the time of the blast. The building has been completely destroyed," reads the message.
Several people have been evacuated from under debris.
"The area has been cordoned off, emergency services are working on the scene," reads the message.
Photo source: picture from an open source