Crude-dependent countries scramble to compensate for losses from a key source of state revenue, with several already plagued by social unrest

Leading suppliers to drop global crude output by 10% to boost cratering demand as Saudi-Russia feud, coronavirus batter markets

Rare cooperation by competing countries will see production cut by 10 million barrels a day in an attempt to boost prices and stabilize teetering world market

OPEC members, as well as Russia and others, set to discuss how to stabilize market after reimposed US sanctions throw industry into uncertainty