Our campaigners have evaded a huge security operation and have scaled Cairn Energy's controversial oil rig in the Arctic seas off Greenland, shutting it down - live updates below.
Arctic drilling has got to stop. Tell Cairn's boss, Bill Gammell to stop drilling now.
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For background on Cairn's Arctic drilling, watch this video. Action updates appear automatically below. To send a message to the ship, reply to @gp_espy on Twitter.
Read more at www.gobeyondoil.org