World oil prices fell by more than five percent on Monday, as energy demand fears grew over the fast-spreading Omicron coronavirus variant. In morning deals, Brent North Sea crude tumbled 5.1 percent to $69.79 per barrel and New York’s West Texas Intermediate oil lost 5.7 percent to $66.84. The rapid spread of Omicron has slammed the oil market and broader global stock markets on concerns about economic fallout as countries revert back to containment measures. “For crude oil, it is all about demand concerns right now,” ThinkMarkets analyst Fawad Razaqzada told. “Travel restrictions have been tightened across most of Europe and there is the potential for more measures to be announced in the coming days. “Traders are thus left with little choice but to sell oil, as well as energy and travel stocks, with very little appetite for risk-taking.”