More than 40 people, including Greenpeace UK’s programme director, Amy Cameron, have been arrested after a protest outside pesticide company Syngenta’s Yorkshire headquarters.

A number of the activists locked themselves on to 15 blue pesticide barrels outside the headquarters, blocking the gates and leading to the temporary closure of the local A62. Activists had transformed a roundabout outside the front entrance into a giant hazard symbol carrying the message “Syngenta poisons nature” with an arrow pointing directly at the building. The action took place on World Bee day.

West Yorkshire police confirmed that “at 4.33am today (20 May), police received a report of a group of protesters outside the gates of a business premises off Leeds Road, Deighton, Huddersfield. Officers were deployed to the scene to monitor the situation and to ensure there was no wider disruption.