At least 11 people including students have been killed and several injured in a shooting at a school in southwest Russia, according to reports.
The RIA news agency said an explosion was heard at the school in the city of Kazan and a gunman has been detained by police.
Interfax news agency cited a source as saying that there were two attackers and the second could still be in the building.
This article was originally published by Sky.com. Read the original article here.