Authorities in the Tatarstan capital of Kazan have limited access to mobile internet services as part of enhanced security measures during this week’s BRICS summit in the city, local mediareported Tuesday,

Originally built in the early 16th century, Kul Sharif was burnt down by Ivan the Terrible during the Siege of Kazan, which led to the fall of the Khanate of Kazan and brought Tatarstan under Muscovite control in 1552.