North Korean leader Kim Jong Un arrived in Vietnam on Tuesday for a summit with U.S. President Donald Trump where they will try to reach agreement on how to implement a North Korean pledge to give up its nuclear weapons. Trump is due in the Vietnamese capital, Hanoi, on Tuesday evening....

Some Venezuelans are living in limbo across the border in Colombia, trapped after a failed effort to bring humanitarian aid into their country. That weekend drive turned violent as supporters of the opposition clashed with Venezuelan security forces on the borders with Colombia and Brazil,...

Fighting between parties and factions in Iran is a “deadly poison” undermining foreign policy, Mohammad Javad Zarif was quoted as saying in an interview published on Tuesday, a day after he resigned as Iranian foreign minister. Zarif’s comments suggest he may have quit over pressure...

The top U.S. envoy for peace in Afghanistan met a senior Taliban leader in Qatar on Monday as the two sides resumed talks to end 17 years of war despite the insurgents’ continued refusal to deal with the Kabul government. Zalmay Khalilzad, named last year to lead the U.S. peace effort,...