A gunman opened fire on tourists at Mexico's ancient Teotihuacán pyramids, killing a Canadian tourist and wounding several others, including Americans and a Dutch woman. Authorities stated the attack was planned and the shooter was reportedly inspired by the Columbine massacre.

A Canadian tourist was killed and several others were wounded when a gunman opened fire at the ancient Teotihuacán archaeological site in Mexico. The attacker reportedly shot indiscriminately from the Pyramid of the Moon, causing panic among visitors.