BBC bosses fear that fear eco-protestors could target Eurovision - with host Rylan Clark admitting they are “hard to stop”.
Execs have been working with police to devise a plan to minimise any potential disruption to the grand final on May 13, at Liverpool Arena.
But Rylan, who is fronting the live coverage of the event on BBC Radio 2, said that it would be hard to crack down on any potential protests on the night.