US President Donald Trump is ratcheting up the pressure on India, calling into question the prospects of a deal with a key US trading partner just days before his tariff deadline. In social media posts Wednesday,

President Donald Trump on Wednesday delivered a subtle punch at India in announcing a trade deal with its rival Pakistan after slapping India with 25% tariffs over the country’s ties to U.S. rival Russia. Trump joked that Pakistan could be “selling Oil to India some day!”

Just hours before announcing the Pakistan deal, Trump declared that Indian goods will face a 25 percent tariff starting August 1, due to India’s continued imports of Russian oil and military equipment. He also warned of an unspecified penalty, which could be as high as 100 percent, based on earlier statements by US officials.