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.

India, which now faces among the highest tariff rates imposed by the US, called the levy "unjustified and unreasonable".

As the president pursues his goals on Russia and trade, America’s relationship with an important partner in Asia could end up as collateral damage.