Greenpeace activists tried to block a Russian oil tanker heading to Norway
Norwegian police arrested seven Greenpeace activists on Monday after they chained themselves to a Russian oil tanker to try to prevent it docking at a port in Norway operated by Exxon.
![Greenpeace activists tried to block a Russian oil tanker heading to Norway](https://cdn.cnn.com/cnnnext/dam/assets/220425083311-01-greenpeace-activists-russian-oil-tanker-ust-luga-norway-0425-super-169.jpg?#)