Global airlines cancelled flights across the Middle East after the United States and Israel launchedstrikes on Iran on Saturday, plunging the region into a new conflict.

Following the killing of Iran's Supreme Leader Ayatollah Ali Khamenei on Saturday, many senior US officials remain skeptical that the US and Israeli military operation against the Islamic Republic will lead to a regime change in the near term.

The most dangerous variable for Beijing is the Strait of Hormuz. Roughly 44 percent of China's oil imports originate from the broader Middle East.

President Donald Trump vowed to avenge the first US deaths in the war he launched to topple Iran's cleric-run state, which fired missiles across the Middle East even as the headquarters of its elite Revolutionary Guards was reduced to rubble.

The United Arab Emirates has announced that the circulation of "unverified information about wars, security or national safety" will be punishable with a jail term and/or a steep fine.

Three American service members have been killed during the US attacks on Iran, the military announced, marking the first American casualties in a major offensive that President Donald Trump said could lead to more losses.

US-Israel Attacks Iran LIVE Updates: Israel and Hezbollah traded fire, while President Donald Trump vowed to avenge the deaths of US service members and said the war with Iran could last for weeks.

Israeli strikes were launched at Beirut's southern suburbs on Monday, Lebanese state media reported, as Hezbollah said it fired rockets and drones at Israel.

British Prime Minister Keir Starmer said on Sunday that his country has accepted a U.S. request to use British bases for defensive strikes against Iranian missiles in storage depots or launchers.

The 86-year-old cleric was killed after decades of trading threats and, more recently, missiles with Israel and the US. Satellite images showed the secure compound in downtown Tehran where his residence and offices had been, reduced to a gray mass.

Donald Trump called the sweeping American military assault on Iran "one of the largest, most complex, most overwhelming military offensives the world has ever seen," declaring that Ayatollah Ali Khamenei is dead.

The shocking incident also highlights the importance of being cautious when sharing living spaces with another person.

Oil prices rose sharply when market trading began Sunday, as U.S. and Israeli attacks on Iran and retaliatory strikes against Israel and U.S. military installations around the Gulf sent disruptions through the global energy supply chain.

The United States raised its travel advisories for Bahrain and Qatar to Level 3 in the aftermath of the launch of US combat operations in Iran, citing security risks and potential disruptions across the Middle East.

US President Donald Trump warned on Sunday that combat operations in Iran were continuing and would carry on until all of Washington's objectives are achieved.

Prime Minister Narendra Modi has spoken with Israeli Prime Minister Benjamin Netanyahu to discuss the current regional situation and emphasised the need to ensure the safety of civilians as a priority.

Three American service members have been killed and five others seriously wounded during the US attacks on Iran, the military announced Sunday.

Israel's Magen David Adom emergency services said they were treating six people with injuries in the Jerusalem area on Sunday after the latest salvo of missiles fired from Iran.

A series of loud blasts were heard above Jerusalem following sirens on Sunday evening, AFP journalists reported, after the Israeli military said it had detected missiles launched from Iran.

The United States military has confirmed the destruction of the headquarters of Iran's Islamic Revolutionary Guard Corps (IRGC) in a large-scale strike.