US President Donald Trump on Wednesday ordered steeper tariffs on Indian goods over New Delhi's continued purchase of Russian oil, opening a new front in his trade wars just hours before another wave of duties takes effect.

President Donald Trump imposed an additional 25% tariff on India as punishment for importing Russian oil, according to a document posted on the White House website — an escalation of his trade battle with New Delhi and his first use of so-called secondary sanctions on countries the US says are fueling Moscow’s war machine.

Donald Trump isn’t letting up on his quest to remake global trade in America’s favor. The US president said he’d impose increased tariffs on countries buying energy from Russia while clarifying that levies on semiconductor and pharmaceutical imports would be announced “within the next week or so.