Washington, June 4 -- The ongoing diplomatic engagements between the United States and Iran have hit a severe impasse following Tehran's rigid demand for the immediate unfreezing of capital at the very start of the process.

According to a report by The Jerusalem Post, the diplomatic deadlock stems from Iran's insistence on the release of "liquid cash" from the billions of dollars in frozen assets, already in the very first phase of the agreement.

This gridlock has emerged despite intense backchannel diplomacy aimed at breaking the geopolitical stalemate. Two sources familiar with the developments informed The Jerusalem Post that international intermediaries have spent recent days attempting to broker a compromise on the contentious issu...