CARTAGENA, Colombia - US President Barack Obama said there would be more sanctions imposed on Iran if there is no breakthrough in nuclear talks with global powers in the coming months.
"My belief is that we still have a window in which to resolve this conflict diplomatically. That window is closing and Iran needs to take advantage of it," Obama told a news conference in Cartagena, Colombia, where he has been attending the Summit of the Americas.
"We're not going to have these talks just drag out in a stalling process," he said.
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