President Donald Trump warns military action against Oman if its negotiations with Iran over the Strait of Hormuz disrupt U.S. peace efforts.

President Trump threatened to bomb Oman if it got in the way of efforts to reopen the Strait of Hormuz. Meanwhile, the 60-day negotiation period between the U.S. and Iran expired Monday. CBS News national security analyst Aaron MacLean has more.

The 60-day deadline for an agreement to end the Iran war and resolve the dispute over its nuclear program is expiring

Tensions escalate in the Middle East as the 60-day Iran negotiation window closes without a deal, leading President Donald Trump to threaten declaring the Strait of Hormuz a U.S. territory. Rep.

A ⁠meeting on ​Monday between ‌Donald Trump's ‌envoy ⁠and ⁠son-in-law Jared Kushner and ​Israeli Prime ​Minister Benjamin Netanyahu ⁠was "lengthy, in ⁠depth, ⁠and very ​productive," a Board ​of ⁠Peace official ⁠said,

President Donald Trump's son-in-law and envoy first held rare talks with Hamas's new leader in Egypt over the weekend in his effort to advance the stalled 15-point plan.

U.S. negotiator and President Donald Trump ‘s son-in-law Jared Kushner held a rare meeting with the Hamas chief on Sunday in a new diplomatic effort to make progress in the stalled Gaza ceasefire. Kushner will meet on Monday with Israel’s prime minister,

Mideast negotiator Jared Kushner, the U.S. president’s son-in-law, has wrapped up an hourslong meeting with Israel's prime minister

Trump on August 16 instructed the Pentagon to "substantially reduce" military exercises with long-term ally South Korea, citing the cost and Seoul's refusal to take part in the Iran war.

President Donald Trump is scaling back joint exercises with South Korea as his war against Iran stretches the limits of the U.S. military

The president cited the cost of the drills and said he did not want to send a signal that is "totally inappropriate and hostile" to North Korea. He also criticized South Korea for not helping him on Iran.

In the Truth Social post on Aug. 16, President Donald Trump also cited his "very good relationship" with North Korean leader Kim Jong Un.

British Prime Minister Andy Burnham has reportedly exchanged messages with an impostor posing as U.S. President Donald Trump's chief of staff

Messages were reportedly exchanged between UK Prime Minister Andy Burnham (left) and White House Chief of Staff Susie Wiles Prime Minister Andy Burnham exchanged messages with a person posing as the chief of staff to US President Donald Trump.

Andy Burnham exchanged messages with somebody impersonating one of US President Donald Trump’s closest advisers in an embarrassing security breach for the UK prime minister’s team. Downing Street declined to comment “on national security matters” but has not denied that Burnham was in communication with someone claiming to be White House chief of staff Susie Wiles.

Prime Minister Andy Burnham exchanged messages with a person posing as the chief of staff to US President Donald Trump. Downing Street has declined to comment on the security breach, first reported by Politico.

Russian officials say Ukraine has fired at least eight missiles at the Belgorod border region, killing two people and wounding 12.

Mykhailo Fedorov, Ukraine's former defense minister, joined CBS News' Aidan Stretch to discuss the future of the Russia-Ukraine war, including his belief that Ukraine will launch a ballistic missile into Russia by the end of the year.

Russia says it shot down more than 800 Ukrainian drones overnight in what appears to be among Ukraine’s largest aerial attacks on Russia, with authorities reporting at least six people killed.

Five people have been reported killed in Ukraine, while Moscow's governor says the Russian capital was subject to "one of the most massive drone attacks of recent times".