Venezuela's oil is also of poorer quality than its Saudi equivalent. Its sour, heavy crude is difficult to extract and refine, while its high sulphur content makes it corrosive to pipelines. A resurgence of Venezuela's industry could pose problems for Canada, which produces similarly viscous oil and exports much of it to the US, but analysts reckon the risk is minor.
Великобритания собралась защитить свою военную базу от Ирана14:46
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Global broadcasters have been briefed on Fifa’s stipulations for the three-minute hydration breaks, which will take place after 22 minutes of each half irrespective of the temperature.