The tweet reads: "Kharkiv. The blast took place near the "Klass" supermarket in Oleksiivka neighborhood. The ambulances rushed that way. There is no information on the victims at the moment."
However, the Kharkiv residents who live near the "Klass" supermarket reported at the Kharkiv forum that the explosion was not there.
The local news outlet "Gorodskoi Dozor" reported citing eyewitness that there were three explosions. They were loud enough to trigger alarms in the cars at different streets.