The formal weigh-ins for UFC 280 kicked off in Abu Dhabi, UAE on Friday.

All images source : Google

 Charles Oliveira and Islam Makhanchev face off during formal weigh-ins before the fight

 Dana White, Islam Makhachev, Khabib Nurmagomedov, Charles Oliveira and their coaches take the stage during the formal weigh-ins

 On stage, Charles Oliveira said that "the lion of the UFC Lightweight is still roaring."

 Charles Oliveira made a very dangerous threat to Islam Makhachev on stage itself

 On stage a member of the UFC asked Charles Oliveira how he felt with Islam Makhachev for the last time before the fight

 Charles Oliveira quickly replied that "I'm going to kill this man."

 Charles Oliveira is on a streak of winning 11 fights in a row and Islam Makhachev is on a streak of winning 10 fights in a row