International security

Iran nuclear talks hit potential snag over arms embargo

Nuclear talks with Iran could stretch beyond Tuesday’s extended deadline, as the parties try to resolve key issues involving sanctions, Iran’s nuclear research, and the fate of embargoes on the sale of missiles and weapons to Tehran.

A senior Iranian official said Monday that his delegation considers Tuesday an “artificial deadline” for a nuclear agreement, but indicated that Iran expects a move to lift United Nations prohibitions on the sale of conventional weapons and ballistic missiles.