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A massive general strike called by Spanish unions nearly brought industry in Spain to a halt. Clashes with police led to 58 people detained and nine injuries, according to the Associated Press.
March 29, 2012 A demonstrator throws back a tear-gas canister during heavy clashes with riot police during a 24-hour strike in Barcelona. Spanish workers staged a general strike to protest the government's latest labor reforms, which are designed to help Spain lower its deficit within E.U. limits. David Ramos/Getty Images