When Russian Su-27 fighter jet came face to face with American B-52

Scary visuals have been released in which Russian fighter jets Su-27 have surrounded American jets B-52. The Russian jets turned towards the American one suddenly and came in front of them. 
The visuals show how Su-27 is following B-52 and then goes past by it in a scary and dangerous way
This incident would surely increase the cold war like situation between the two countries