British police investigating Friday's sword attack outside Buckingham Palace in London arrested a second man on Sunday, as the world-famous Notting Hill Carnival kicked off under increased security measures. "The man was arrested on suspicion of being involved in the commission, preparation or instigation of terrorism at 10:15hrs (0915 GMT) today and he has been taken into custody," a police statement said. It came hours after Islamic State jihadists claimed responsibility for Friday's knife attack on patrolling soldiers in Brussels, and as authorities in Spain revealed that the death toll from last week's twin attacks in Barcelona had risen to 16.



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