Hundreds of climate protesters have blocked roads in central London to launch a two-week protest as thousands of activists are expected to descend on the British capital aiming to occupy key sites around government departments and the Houses of Parliament.
Al Jazeera: Climate protest brings London to standstill
Climate change activists from the Extinction Rebellion march sit locked together near Whitehall in central London, on Oct. 7, 2019 during the group's global climate protests.