Iter is a collaboration between China, the EU, India, Japan, South Korea, Russia and the US - all of whom are sharing in the costs of construction.

Confusion over UK funding from Europe’s nuclear agency is adding to the anxiety of staff at the Joint European Torus.

Oxfordshire reactor has been described as ‘shining example of scientific cooperation between EU members’.

‘Allure of fusion makes it a good distraction from the failures of current government’s science and climate policy’

Announcement that the United Kingdom will not rejoin Euratom shuts researchers out of ITER fusion project—for now.

London won’t rejoin the EU’s Euratom programme after missing out on too many big fusion construction contracts. It could find a workaround to stay partially involved in ITER, but that will need agreement of the project’s founding members – including Russia.

Britain will pay £60 million to keep the Joint European Torus near Oxford running if negotiations to continue EU funding stall.