An uptick in clashes between Iranian security forces and Kurdish rebel groups is threatening to open a new front in the Islamic Republic's conflict with the United States and Israel, testing a fragile ceasefire between Tehran and Washington.

Iran’s joint military command warned Thursday that all oil tankers moving through the Strait of Hormuz must use its approved routes or face a “forceful response,” again ratcheting up tensions over a waterway crucial for international energy supplies.

A long-term U.S.-Iran peace deal may depend on a separate agreement between Israel and Lebanon. Analysts say that presents a problem.

A series of strikes over the weekend saw the US and Iran accuse each other of violating the ceasefire agreement.

An apparent agreement by the US and Iran to pause a fresh outburst of violence stabilized a truce that is the first step to permanently ending the war and underscored that each side has a vital national interest in doing so.

By Andrew Mills and Elwely Elwelly DOHA/DUBAI, June 30 (Reuters) - Iran said on Tuesday it would not meet with top U.S. envoys who flew to the region following an outbreak of hostilities, clouding the prospects for a lasting peace between the two countries.

U.S. Ambassador to Israel Mike Huckabee said in an interview that the Trump administration sees no indication Iran's leadership has become more moderate and remains committed to e

"The Shahed's effectiveness isn't technological sophistication, it's the opposite," one researcher told Newsweek.