An Iranian man has been arrested with a woman after trying to enter the Faslane naval base, home to the UK's nuclear-armed submarines.
A lawyer for the claimants said on Friday that proceedings would be "discontinued".
Cornwall Insight says the recent surge in energy prices due to the Iran war is set to push up household bills.
It comes after a Guardian investigation suggests the party leader recorded supportive messages for a convicted rioter and a neo-Nazi event.
Juan Joseph, a former MI5 IT contractor, shared information with a foreign state but was found "not guilty by reason of insanity" by a jury.