London bridges blocked by environment protest, 70 arrested

British police said they arrested more than 70 people at an environmental protest on Saturday, after demonstrators blocked five bridges across the River Thames in central London.Organisers of the 'Extinction Rebellion' event said they wanted to put pressure on Britain's government to take greater action to slow climate change and eliminate greenhouse gas emissions by 2025.The protest centred for several hours on Westminster Bridge, near Britain's parliament, but there was also disruption to traf