Russian protests: 'It will happen again if the situation hasn't changed'

On Sunday, Russia saw its largest anti-government protest in several years with thousands of Russians taking to the streets.

One boy watched it unfold from a lamp-post.

The BBC spoke to 17-year-old Roman Shingarkin and his father Maksim.

Video journalists Abdujalil Abdurasulov and Elizaveta Vereykina