Kurdish forces held out in a key border town Tuesday seven days into a deadly Turkish invasion of northeastern Syria that has caused mass displacement and reshaped the political map.
The United States slapped sanctions on its NATO ally in a bid to stop an assault that its own troop withdrawal from the area triggered but Ankara showed no sign of relenting.
Using a dense network of tunnels, berms and trenches, Kurdish fighters from the Syrian Democratic Forces (SDF) have been mounting a desperate defence of Ras al-Ain.
