"Your politics is rubbish: No interventionist wars, No weapons deliveries, No migration"
This seems to have been quite professionally organised. They've got a lift truck, they know how to operate it and they've got workwear that makes them look like legit employees.
It apparently took hours for the banner to be taken down. The fire brigade turned up but then refused to remove it, saying it wasn't a fire and therefore not their responsibility. Perhaps they are secret sympathisers.