With every new round of attacks raising political cost of compromise, analysts warn the window for peace may be closing.

"The principle of the matter is clear: mediators are working and trying to prevent tension from escalating," Baghaei explained.

Iran says new U.S. proposals aim to ease tensions as mediators work to prevent wider conflict amid ongoing strikes.

A senior Iranian official told Reuters on Monday that Tehran had received a proposal from mediators for a 10-day ceasefire in an effort to salvage the interim deal, intended to…