BBC's London HQ put on lockdown over climate change protest

Extinction Rebellion group calls for environment to be made 'top editorial issue'

The BBC's central London headquarters has been put on lockdown due to a protest by climate change campaigners who are demanding it uses its status as national broadcaster to declare a "climate and ecological emergency".

Extinction Rebellion, a direct action group that has recently shut down key London roads, has demand the BBC makes the environment its "top editorial issue".