LUIS ROBAYO | AFP | Getty Images
An anti-government demonstrator stands next to a national flag during an opposition protest blocking the Francisco Fajardo highway in Caracas on May 27, 2017.
A nationwide power failure in crisis-stricken Venezuela could trigger "serious disruption "to the oil market, the International Energy Agency (IEA) warned on Friday, but OPEC kingpin Saudi Arabia should have the means to offset any further production woes in Caracas.
Pow er was restored to much of Venezuela on Tuesday, but many areas in the oil-rich, but cash-poor, country remain without electricity. It is widely expected that normal services may not resume for weeks – or possibly months.