
Armed men burst into a casino in the northern Mexican city of Monterrey on Thursday and set a fire that killed at least 52 people and injured several others, the authorities said.The attack, shortly after 3 p.m. at the Casino Royale, was the worst massacre, according to tallies by Mexican news organizations, since a crackdown on drug gangs by the authorities and infighting among the gangs exploded more than five years ago.Monterrey, once a peaceful business and industrial hub in Nuevo Leon State,...