Business News Oil price hits 4-year high as US sanctions on Iran tighten supply September 28, 2018 johorbiznet Johor News Oil price hits 4-year high as US sanctions on Iran tighten supply The Star Online The upward march of oil prices shows few signs of stopping The Hill Traders Eye $100 Oil as Iran Sanctions Near Energy and Capital Consumers in for a rough ride as petrol price set to skyrocket TimesLIVE Full coverage Source: Business News Feed