Following the trade deal announced by U.S. President Donald Trump, Indian refiners seek clarification about Russian oil imports from their government, with some pre-emptively halting purchases, sources with knowledge of the matter told Bloomberg on Tuesday. President Trump broke the news of a deal with India on Monday, saying the U.S. would reduce tariffs on Indian imports in exchange for a commitment on the part of New Delhi to stop buying crude oil from Russia and boost purchases of American oil instead, along with…