In light of the pro-Turkish forces advance on Ain Issa, the SDF stated that 785 ISIL-linked people had escaped from a detention camp in the area, SDF also stated the escapees received assistance of the pro-Turkish forces and Turkish airstrikes.[154] In contrast, Turkey stated that the SDF released ISIS prisoners at the Tell Abyad prison before the arrival of Turkish forces.[2] This statement was supported by U.S. President Donald Trump, but opposed by senior U.S. officials who stated that Turkish-backed Free Syrian Army (FSA) forces were the ones freeing ISIS prisoners.[3][4] US troops evacuated the town of Ain Issa according to the Washington Post.[155]