Washington, June 18 -- In a potentially landmark diplomatic breakthrough, the United States and Iran have signed the "Islamabad Memorandum of Understanding," outlining a broad framework to end hostilities, ease regional tensions, revive commercial navigation in the Persian Gulf, and pave the way for a comprehensive peace agreement within 60 days.

The proposed deal includes commitments to cease military operations, roll back sanctions, restore maritime trade, address concerns over Iran's nuclear programme, and launch a multibillion-dollar reconstruction and economic development initiative, marking one of the most ambitious attempts in decades to reset relations between the two longtime adversaries.

The text of the agreement, as read out lo...