In an operation that began on Wednesday, hundreds of police have been removing activists from the doomed hamlet of Luetzerath in western Germany.The site, which has become a symbol of resistance to fossil fuels, attracted thousands of protesters on Saturday, including Swedish climate activist Greta Thunberg.Activists on Saturday had accused the police of using "massive batons, pepper spray... water cannons, dogs and horses".At least 20 activists had been taken to hospital for treatment, said Birte Schramm, a medic with the group.The expansion is going ahead in spite of plans to phase out coal by 2030, with the government blaming the energy crisis caused by Russia's invasion of Ukraine."