Russia's Beterbiev defends titles with brutal stoppage win in London (VIDEO)

Artur Beterbiev maintained his perfect record after a bruising contest against Anthony Yarde

Undefeated Russian fighter Artur Beterbiev retained his WBO, WBC and IBF world light-heavyweight titles with a stoppage win against home hero Anthony Yarde in a back-and-forth battle at Wembley Arena on Saturday night.