Bihar school meal poisoning incident
On 16 July 2013, 23–27 students died, and dozens more fell ill at a primary school in the village of Gandaman in the Saran district of the Indian state of Bihar after eating a Midday Meal contaminated with pesticide. Angered by the deaths and illnesses, villagers took to the streets in many parts of the district in violent protest.
Source: Wikipedia — Bihar school meal poisoning incident (CC BY-SA 4.0)