FSB and special rapid-response officers with a service dog enter School No. 175.
A woman cries as she is taken to an ambulance at the scene of the shooting at School No. 175 in Kazan.
Police cars and ambulances outside School No. 175
Paramedics at the scene
Rafis Khabibullin (second from left), head of the Tatarstan branch of the Russian Emergencies Ministry, and Rustam Minnikhanov (center), president of the Republic of Tatarstan, arrive at School No. 175 following the tragedy.
A parent embraces her child after the shooting.
The damaged windows of the school can be seen in this image taken from video.