Anthony Joshua vows to fight on despite devastating defeat to Daniel Dubois

The comprehensive defeat was the fourth of his career. 

Anthony Joshua was sent to the canvas four times (Bradley Collyer/PA)

Anthony Joshua vowed to fight on despite being crushed inside five rounds by IBF world heavyweight champion Daniel Dubois at Wembley.

Joshua was floored four times as the magnificent Dubois launched a relentless assault from the first bell that eventually ended with the clear favourite being counted out following a thrilling exchange of blows.