President Donald Trump's decision to impose a 25% tariff on steel is a "concern" for the director of a mine in Minas Gerais, one of Brazil's top iron ore-producing regions. "If there is a reduction in steel consumption, it will affect exports," Guilherme Melo says. As Brazil, the second largest exporter of steel to the United States after Canada, claims to have no intention of engaging in a "trade war" with Washington, the J. Mendes executive says the sanctions could have an impact on iron trade, "especially Brazilian exports of the iron ore market." IMAGES AND SOUNDBITES