Turkish military enters Syrian city after days of airstrikes
By Sheena McKenzie, Gul Tuysuz and Jonny Hallam, CNN Updated 10:48 AM ET, Sun January 21, 2018 01
(CNN)Turkey launched a ground operation across the border into northern Syria on Sunday, in a move likely to raise tensions with the United States.
More:Turkish military enters Syrian city after days of airstrikes - CNN
