An incident at Mexico City International Airport in which two jets nearly collided on the runway has prompted an investigation into safety protocols, the resignation of a key official, and a significant reduction of operations at one of Latin America’s busiest gateways.

Four people were trampled to death in Bolivia after a gas grenade disrupted elections at a university Four students were killed in a stampede after a chemical agent was dispersed inside a packed university sports hall in Bolivia on Monday, police said. According to reports, up to 80 were injured.

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