At least 14 students at the Del Carmen secondary school were treated for bumblebee stings, with no hospitalizations reported. ^[1] On the first day of the 2026-2027 school cycle, thousands of students returned to classes in Mexico, and most schools reported no incidents, but bee and bumblebee attacks affected one secondary school in Mexico City and two primary schools in Culiacán, Sinaloa. ^[2] On September 1, 2026, major roads in Mexico City such as Circuito Interior and Avenida Chapultepec experienced severe traffic congestion during the first day of school. ^[3] A bumblebee nest at Escuela Secundaria Técnica No. 17 'Artes Decorativas' in the Del Carmen neighborhood of Coyoacán, Mexico City, caused chaos among students and prompted a call to emergency services. ^[4] The Coyoacán mayor's office said on social media that it attended to the bumblebee attack at the school and coordinated with Mexico City police, firefighters, and ERUM, and took actions to prevent risks. ^[5] Paramedics from ERUM treated 14 students who were stung by bees and determined they had no medical complications. ^[6] The Mexico City police reported a clean day with no major incidents, except for a bee swarm attack at a secondary school in the Del Carmen neighborhood of Coyoacán. ^[7] Traffic delays forced some commuters to use ride-hailing taxis, with fares for certain trips rising to 250 pesos. ^[8]