Shooting at Mexico’s Teotihuacán Pyramid of the Moon, Diego Rivera’s Grandson Donates Collection to Mexico’s Museo Anahuacalli, and More: Morning Links for April 21, 2026

A Canadian tourist was killed and several others, including children, were injured in a shooting at the Teotihuacán Pyramid of the Moon, a UNESCO World Heritage site near Mexico City. The gunman died by suicide, prompting security concerns ahead of a planned immersive night show and the upcoming World Cup.