Pyrotechnic material exploded during the festival for a patron saint in a town in Mexico State, collapsing a wall, killing at least 10 people and injuring another 64, Mexican authorities said. The explosion happened on Saturday night next to the Nuestra Senora de la Luz church in Temascalcingo, a municipality in central Mexico with 66,000 residents. Hundreds of them were preparing to watch a fireworks display that is part of a religious festival when the blast happened. The municipality is about...