Japan’s economy risks taking another hit if US President Donald Trump slaps fresh tariffs on China, sparking a renewed US-China trade war, according the government’s chief economist.

Policymakers, investors and economists are watching Trump’s trade policy amid fears that his threatened use of tariffs could batter global commerce.

As President Donald Trump threatens to impose his first tranche of tariffs on the world Saturday, Chinese manufacturers are bracing for impact.

Japan intends to closely monitor the impact on its currency of US President Donald Trump’s new tariffs and is worried about the international fallout from the trade imposts, Finance Minister Katsunobu Kato said.

U.S. President Donald Trump’s high-stakes bid to use natural gas exports as leverage to expand U.S. influence in Europe and Asia appears to be gaining traction.