President Donald Trump announced Wednesday he planned to hit Brazil with a 50% tariff, in part due to the treatment of its former president and his political ally, Jair Bolsonaro.

Brazil’s President forcefully rebuked Trump after the U.S. leader called the prosecution of Lula’s predecessor, Bolsonaro, a “witch hunt” and hiked tariffs on the Latin American nation.

Trump announced a 50 percent tariff on all Brazilian goods, escalating a feud over Brazil’s prosecution of former president Jair Bolsonaro. Brazil vowed to retaliate.