Another gruesome discovery in Mexico: Police found a crate with five severed heads outside a primary school in Acapulco, reports the BBC. The victims haven't been identified. The not-so-subtle threat comes amid a teachers' strike in the once-popular resort city, notes NPR. Educators refuse to reopen schools because they say they've been threatened by local drug gangs to turn over half their salaries.
The teachers are demanding better security from the government, and one veteran educator says the fight could be pivotal given that extortion is business-as-usual in the city. "I believe that this fight that the teachers are making is a defining moment, because ... I'm convinced that teachers have their finger on the pulse of what's happening in every house, every neighborhood, every street, every family," he tells NPR. (Read more Mexico stories.)