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As the battle for Libya intensifies, oil production in the country has plummeted.

In the rebel-held east it's down by as much as 90 percent.

The fighting means companies are reluctant to send ships into Libyan ports – and even if they do, it is not clear who they should pay: the Gaddafi government or the rebels.

Both sides in the fighting say they will not target oil installations – but this has not been enough to protect the industry.

The fighting in Libya has already pushed the oil price to a two and a half year high.

And as unrest spreads across the region, the effects of the uprising in Libya are now being felt beyond it’s borders.

Al Jazeera's Alan Fisher reports.

Source: Al Jazeera