U.S. President Donald Trump is urging China and India to stop buying oil from Russia. He aims to pressure Russian President Vladimir Putin into agreeing to a ceasefire in Ukraine.

President Donald Trump said he would be “substantially raising” the tariff on Indian exports to the US over the Asian nation’s purchases of Russian oil, a move New Delhi slammed as unjustified in an escalating fight between the two major economies.

President Trump said on Monday he will raise tariffs on India for buying and selling oil from Moscow, arguing that the country doesn’t care about the Ukrainian casualties from the war with Russia. The president didn’t say how much the tariff will increase on India,