Outraged by accusations that an asylum-seeker had sexually assaulted a 10-year-old girl, thousands of flag-waving, bottle-throwing, firework-wielding Irish citizens surrounded a migrant hotel in southwest Dublin, Ireland on Tuesday night, setting fire to a police vehicle. Six people were arrested from a furious crowd estimated to have numbered approximately 2,000. The Irish police force — or “Gardai” — say they were on the receiving end of “sustained violence” that included glass bottles, bricks and fireworks. Despite the onslaught, a line of Gardai in riot gear were able to prevent the mob from reaching the hotel. Bringing the “torches and pitchforks”...