SAO PAULO, July 9 (Xinhua) -- Brazilian President Luiz Inacio Lula da Silva said Wednesday any unilateral measure to raise tariffs will be responded to in light of Brazil's economic reciprocity law.

NEW YORK, July 9 (Xinhua) -- U.S. President Donald Trump announced Wednesday afternoon that tariffs of 50 percent will be charged on goods imported from Brazil, effective on Aug. 1.