US troops patrol Turkey-Syria border after Turkish strikes on Kurds

after Turkish airstrikes killed some the united states close allies, the US forces have begun to patrol the turkey Syrian border. the attack is said to have added another layer of complication to the situation in the area and now the US is intervening to stop a conflict between its closest allies.http://www.cnn.com/2017/04/30/middleeast/turkey-syria-us-troops-patrol/