Saudis race to fix oil supply after Aramco attack slashes output by half

State energy producer Saudi Aramco lost about 5.7 million barrels per day of output after 10 unmanned aerial vehicles struck the world's biggest crude-processing facility

Saudi Arabia is racing to restore oil production after a brazen drone strike on a key Aramco facility slashed its output by half, or about 5 per cent of world supply, an assault that the US has blamed on Iran.

State energy producer Saudi Aramco lost about 5.7 million barrels per day of output after 10 unmanned aerial vehicles on Saturday struck the world’s biggest crude-processing facility in Abqaiq and the kingdom’s second-biggest oil field in Khurais, the company said.

The attack will likely rattle oil markets and cast a shadow on Aramco’s preparations for what could be the world’s