South Africa urged G20 countries to show global and cooperative leadership to tackle challenges including rising trade barriers, as the club's finance chiefs met on Thursday under the shadow of President Donald Trump's tariff threats.

"A safe third country deportation flight to Eswatini in Southern Africa has landed — This flight took individuals so uniquely barbaric that their home countries refused to take them back," U.S. Department of Homeland Security spokeswoman Tricia McLaughlin said late on Tuesday.