On Feb. 20, The A.P. reported from Afghanistan that a suicide attacker disguised as a health worker blew himself up near "a crowd of about 150 people who had gathered for a ribbon-cutting ceremony to open an emergency ward at the main government hospital in the city of Khost." A few days later, at a Baghdad college, a female Sunni suicide bomber blew herself up amid students who were ready to sit for exams, killing 40 people.
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