TRADELINE LIVE CRUDE OIL NEWS UPDATE UPDATE 4-Oil prices fall as Saudi Arabia pledges to play 'responsible role' in market Oct 23 Oil prices fell on Tuesday after Saudi Arabia said it would play a "responsible role" in energy markets, although sentiment remained nervous in the run-up to U.S. U.S. West Texas Intermediate (WTI) crude futures CLc1 were at $69.14 a barrel, dropping 22 cents, or 0.3 percent, from their last settlement. U.S. sanctions against Iran's oil exports are due to kick off on Nov. 4, and Washington is putting pressure on countries to cut their imports of Iranian crude. South Korea's crude oil imports from Iran fell to zero in September from a year earlier, data from state-run Korea National Oil Corp (KNOC) showed on Tuesday. crude oil exporter Saudi Arabia has pledged to keep markets supplied despite its increasing isolation over the killing of Saudi journalist Jamal Khashoggi, and there are signs that crude oil supply from the Middle East ...