Mumbai, Jan. 20 -- Crude oil prices stayed on the back foot on Tuesday, with WTI futures drifting below the $59 per barrel mark as investors reassessed the demand outlook amid rising global trade frictions. Concerns grew after President Trump warned of additional tariffs on European partners over the Greenland issue, a move that could weigh on economic momentum and energy consumption. While demand worries dominated sentiment, immediate supply risks eased after signals from Washington suggested a delay in any military action involving Iran, calming fears of near-term disruptions to Middle Eastern oil flows. With the market already struggling with a notable supply glut, pressure persisted on prices, and MCX April crude futures slipped around ...