Former Governor Chris Sununu warns Trump's tariffs on India alarm US manufacturers, risking billions in trade and straining ties with a key ally over Russian oil imports.

New Delhi has put on hold its plans to procure new U.S. weapons and aircraft, according to three Indian officials familiar with the matter, in India's first concrete sign of discontent after tariffs imposed on its exports by President Donald Trump dragged ties to their lowest level in decades.

News of the additional levy on Indian imports has earned mixed reactions from Washington trade groups and businesses.