A fourth service member has died after suffering injuries during Iran’s “initial” attack, the US military has announced.

“As of 7:30 am ET, March 2, four U.S. service members have been killed in action,” US Central Command said in a post on X. “The fourth service member, who was seriously wounded during Iran’s initial attacks, eventually succumbed to their injuries.”

The service member was killed in the same attack in Kuwait that earlier killed three others, one US official and a source familiar with the situation told CNN.

The identities of those killed will be withheld for 24 hours after next of kin is notified, CENTCOM said in the post.

What we know about the death toll so far in the Middle East

Here’s what we know about the number of the people killed in strikes in the Middle East since the war with Iran began.

• Iran: At least 555 people have been killed in Iran since the joint US-Israeli strikes began, according to the Red Crescent Society. At least 168 students were killed in a strike at a girls’ elementary school, according to Iranian state media, with another three students being killed in separate attacks in the capital and northern Iran, state media said. A Chinese national was also killed in Iran, China’s foreign ministry said.

• Lebanon: At least 31 people have been killed in Israeli airstrikes on southern Lebanon and Beirut, the country’s Ministry of Public Health said.

• Israel: At least 10 people have been killed and more than 200 injured in Israel since it began military operations against Iran, according to Magen David Adom. Nine of the fatalities were reported from the city of Beit Shemesh, where a missile hit a bomb shelter.

• Iraq: Four members of Iraq’s Popular Mobilization Forces, an Iran-backed paramilitary group, were killed in a US-Israeli strike that targeted one of its headquarters, the militia’s Media Directorate announced.

• United Arab Emirates: Three people in the UAE have been killed in Iran’s retaliatory strikes, the country’s defense ministry said. Those killed were nationals of Pakistan, Nepal and Bangladesh who died after Iranian drones that made it through the UAE’s air defenses, it said.

• Kuwait: Three US service members were killed in a suspected drone strike early Sunday in Kuwait, according to multiple sources familiar with the matter. Prior to this, Kuwait’s health ministry said separately that one person had been killed in Iranian strikes.

• Bahrain: One person was killed after debris from an intercepted missile sparked a fire on a “foreign vessel” in Bahrain’s Salman Industrial City, Bahraini state media reported. (Pieced together from CNN reports)

•PHOTO: Emergency responders examine an impact crater left by an Iranian missile near the entrance to the Ramat Shlomo neighborhood of Jerusalem on Sunday. PHOTO: Faiz Abu Rmeleh/Getty Images

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