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Another U.S. service member has died in a non-combat incident, the Pentagon announced on Monday, the fourth such fatality in 10 days.

The incident happened in northern Syria on Monday, the Pentagon release says. No other information about what happened was immediately available.

The service member's name has not yet been publicly released pending next of kin notification.

On April 19, the latest string of non-combat related fatalities began when Air Force Staff Sgt. Albert J. Miller, 24, died on at Al Udeid Air Base in Qatar. The following day, Army Spc. Ryan Dennis Orin Riley, 22, died on April 20 in Ninawa province, Iraq, followed by Army Spc. Michael T. Osorio, 20, who died on April 23 in Taji, Iraq.

U.S. military officials have been silent about the circumstances surrounding these deaths, saying they are all under investigation.

SEE ALSO: How The US Went From 'Rapid Withdrawal' To 'No Timeline' In Syria

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