(CNN) The US military conducted an airstrike in Somalia on Monday after a Somali-led force and its accompanying US military advisers were attacked by Al-Shabaab militants.

The strike killed eight Al-Shabaab fighters, US Africa Command, which oversees US military operations on the continent, said Tuesday.

"US service members were present during the ground operation in an advisory capacity. All US service members are accounted for and are unharmed," the statement added.

The US has approximately 500 troops in Somalia, primarily in advisory roles.

At least 244 fighters from the al Qaeda-affiliated Al-Shabaab have been killed in 25 airstrikes so far in 2019, according to figures released by US Africa Command.

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