The regional conflict has hardened into a stalemate as the U.S. and Iran failed to turn a fragile ceasefire into a lasting peace deal.

The United States and Iran said Monday they had again traded strikes, straining an already fragile ceasefire as negotiations between the two sides have stalled.Weeks of…

The regional conflict has hardened into a stalemate as the U.S. and Iran failed to turn a fragile ceasefire into a lasting peace deal.