Dan Azeez blasted Hosea Burton to a halt in the seventh round to become the new British light-heavyweight champion at The SSE Arena, Wembley.
Azeez dominated the fight with his relentless aggression from the opening round and he trapped Burton in the corner with a brutal barrage of punches to force the referee's intervention.
In a fiery opening round, Azeez dug in body shots on Burton, who suffered a bloodied nose after he was wobbled by a looping right hand.
Swift right hands from Azeez continued to trouble Burton in the second round, while the south Londoner landed a thudding left hook in the third.
Azeez was firmly in command, spitting out shots with swarming attacks in the fourth, and he staggered Burton with a stiff jab in the fifth.
Blood smeared around the face of Burton and he slumped onto the ropes after a leaping punch from Azeez in the sixth round.
Burton's defences finally unravelled after a huge right hand from Azeez, who pumped out punches until the referee stepped in to signal the finish.
Sky Sports Boxing schedule
December 11 - BOXXER in Cardiff
Chris Eubank Jr vs Liam Williams
Claressa Shields vs Ema Kozin
December 11 - Top Rank in New York
Vasiliy Lomachenko vs Richard Commey
Jared Anderson vs Oleksandr Teslenko
Nico Ali Walsh
Xander Zayas
December 17 - Top Rank in Montreal
Artur Beterbiev vs Marcus Browne - IBF and WBC light-heavyweight titles
February 26 - Top Rank in Glasgow
Josh Taylor vs Jack Catterall - undisputed super-lightweight title