Diplomats say the U.S., Britain, France and Germany now seek to refer Iran to the U.N. Security Council for failure to comply with its nuclear nonproliferation obligations.
Diplomats say the U.S., Britain, France and Germany now seek to refer Iran to the U.N. Security Council for failure to comply with its nuclear nonproliferation obligations.
The trip by the Americans follows a meeting with Russian President Vladimir Putin in Moscow on Saturday, as both sides have escalated their aerial attacks.
The trip by the Americans follows a meeting with Russian President Vladimir Putin in Moscow on Saturday, as both sides have escalated their aerial attacks.