power

Europe prospered over recent decades in a global trading system that allowed it to import cheap gas from Russia and rare earths from China, powering its industrial base.

"All I want is the birds back safe and sound and I will do everything in my power to get them home safely," she added.

A dispersal zone and enhanced powers will remain in place until 22:00 GMT.

Critics have disputed this characterisation, given the power imbalance at the time they were transferred.

It is estimated they consume about 2.5% of the UK's electricity, and as more are built, their power demand could rise fourfold by 2030.