By Manoj Kumar and Nikunj Ohri NEW DELHI (Reuters) -Indian opposition parties criticised the government on Thursday, describing U.S. President Donald Trump's threat of a 25% tariff as a diplomatic failure for New Delhi,

As the workday wound down in New Delhi on Wednesday, most Indian trade officials were getting ready to head home. Then their phones lit up: Donald Trump hit the nation with a 25% tariff.

U.S. President Donald Trump's demand on India to halt Russian oil imports could threaten billions in Russian revenues, prompt Moscow to retaliate by stopping a major U.S.-led oil pipeline and potentially lead to a new global supply crisis.