Poroshenko: United States remains key ally in international arena in handling security challenges

Ukrainian President Petro Poroshenko says that the United States is Ukraine's key ally in handling security challenges.

"In the context of counteracting the challenges of security, we have noted that the United States is and remains a key ally of Ukraine in the international arena," he said at a joint briefing with the U.S. Secretary of State John Kerry in Kyiv on Thursday.

Poroshenko said that Ukraine and the United States have "common values, common understanding that the civilized world can only together effectively resist attempts to destabilize the global system of international security."