Justin Gaethje capped off the UFC Freedom 250 card from the White House with a massive fourth-round TKO win over Ilia Topuria to become the UFC lightweight champion.

Justin Gaethje beat Ilia Topuria after the fourth round of their UFC Freedom 250 bout to secure a huge upset win over the lightweight champion outside the White House.

Gaethje (28-5 MMA, 11-5 UFC) upset Topuria (17-1 MMA, 9-1 UFC) to claim the lightweight title by Round 4 doctor's stoppage TKO in Saturday's UFC Freedom 250 main event at the White House.