Greta Thunberg arrested at pro-Palestinian protest in London
Thunberg's arrest makes her the highest profile person to be detained by police since the government banned the Palestine Action group under anti-terror laws.
Prisoners for Palestine, which organised the protest, said in a statement that Thunberg was arrested under the UK Terrorism Act.
Thunberg, 22, was holding a sign reading: "I support the Palestine Action prisoners. I oppose genocide."
City of London Police said several people were arrested.
They did not directly name Thunberg, but said...