The victims of the attack in Columbus were apparently chosen at random, police said. The suspect was shot and killed by police after a chase.
Sgt. Rich Weiner told reporters that there was no "rhyme or reason" behind the attack at a restaurant in the Ohio capital.
Police have smashed an alleged criminal network that generated an estimated $1.1 million by forcing kids to pickpocket in Paris.
Pakistan said it arrested 97 Islamist militants and foiled a plot to break the killers of U.S. journalist Daniel Pearl out of jail.
The Northeast is being warned to brace for what could be the coldest temperatures in over a decade this Valentine's Day weekend.
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