Russian ski feud intensifies as star left bloodied (VIDEO)

National team stars Aleksandr Bolshunov and Sergey Ustiugov clashed again on Tuesday

Aleksandr Bolshunov was left dazed and bloodied after his rivalry with fellow Russian Olympic champion Sergey Ustiugov intensified when the pair collided at a race in Krasnogorsk, Moscow Region, on Tuesday.

Bolshunov