Heavyweight Anthony Joshua knock out Robert Helenius wit one punch in round seven, afta e use caution dey box in di first half of di fight for London's O2 Arena.

Di 33-year-old Briton – wey fans been dey boo during di fight – no land better punch until e use im overhand right end Helenius night.

Di win - Joshua first stoppage win in two and half years - set up a blockbuster fight wit American Deontay Wilder in January.

"Na sport wey dey change, you gatz dey real to about dis industry and no get caught up. I don do my job tonight," Joshua tell BBC Radio 5 live.

Wen dem ask am about di potential fight wit Wilder, Joshua joke: "My back done go, doctor dey here? I wan carry dis heavyweight division to di top."

Afta di knockout, di emotionally charged and smiling Joshua climb out of di ring, give fans high-five and share beer wit Irish mixed martial arts star Conor McGregor.

Dem gatz give Helenius oxygen afta di heavy knockdown, but e recover and leave di wit out nassistance afta congratulating Joshua.

Joshua extend im record to 26 wins - wit 23 stoppages - and three defeats.