President Donald ⁠Trump ⁠said on Monday ⁠the United States would either reach a ​deal with Iran or "finish the job," renewing his threat ‌of military action as ‌Tehran projects defiance following the funeral of Supreme ⁠Leader ⁠Ayatollah Ali Khamenei.

Ceremonies for slain supreme leader Ayatollah Ali Khamenei are taking place in the sacred Iranian city of Qom. Mojtaba Khamenei has yet to appear publicly since his father’s killing. Follow for live updates.

Throughout the capital, the government is using Ayatollah Ali Khamenei’s funeral to project strength at a time of great uncertainty for Iran.

Months after the death of Iran’s Supreme Leader, Ayatollah Ali Khamenei, on Feb. 28, his weeklong funeral is meant to demonstrate a seamless succession of power. But there has been one notable absence.

Thousands have flocked to the streets of Tehran as funeral processions are underway for former Supreme Leader Ayatollah Ali Khamenei and his family who were killed in February on the first day of the US-Israeli war with Iran.

The complex where mourners are paying their respects to Ayatollah Ali Khamenei this weekend is unfinished after nearly 40 years. Critics say it is emblematic of the unfulfilled promises of his rule.

Israel accuses a 20-year-old American of spying for Iran, adding to growing concerns over Tehran's alleged intelligence recruitment inside Israel.

President Donald Trump said during a bilateral meeting with Turkish President Recep Tayyip Erdogan that he was "testing" NATO allies after the U.S. operation against Iran, naming which European countries let him down.

Nikki Haley, former U.S. ambassador to the United Nations and Hudson Institute Walter P. Stern Chair, joins 'Squawk Box' to discuss how to manage rising global tensions, the U.S.-Iran talks, and more.