A global squeeze on energy supply that’s triggered crippling shortages and sent power and fuel prices surging may get worse, according to the head of the International Energy Agency.

Each wave of supply shock to hit the global economy during the pandemic seems to produce a different scapegoat.

The dislocation of global fuel markets after Russia’s invasion of Ukraine has boosted the cost of shipping products such as diesel by sea.

Removing sea mines near Ukraine’s key ports could take months, and hundreds of seafarers are still stranded in the region following Russia’s invasion of the country, according to the United Nations agency responsible for shipping safety.

Nine European Union member nations warned the bloc against overstepping its authority when it offers later this year a new plan to protect the bloc’s supply chain during crises, according to a letter.

European leaders are desperately trying to figure out how to get grain out of Ukraine, whose exports are normally bigger than the entire European Union’s.