London climate-change street protest arrests reach 290 on second day

Police have arrested 290 people in two days of protests after climate-change activists blocked some of London's most important junctions including Oxford Circus and Marble Arch, causing traffic chaos.The protests, led by British climate group Extinction Rebellion, brought parts of central London to a standstill again on Tuesday.Extinction Rebellion, which generated headlines with a semi-nude protest in the House of Commons earlier this month, is demanding the government reduce greenhouse gas emi