Amir Khan has been defeated by Danny Garcia in Las Vegas.
Referee Kenny Bayless stopped the fight for the light-welterweight title in the fourth-round after a series of heavy blows by Garcia.
The 24-year-old American paid tribute to his family in his post-victory speech.
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Seven-year-old Julian Alessandro Cadman has been confirmed as a victim of the Barcelona terrorist attack.
The USS Indianapolis played a key role in one of the conflict's defining attacks before being struck at midnight by Japanese torpedoes.
The King and Queen of Spain joined mourners at a mass in Barcelona to remember victims of the terror attacks as a police manhunt continues.