Aid groups scramble to reach Syrians as battle lines shift

Syrians who are newly displaced by the Turkish military operation in northeastern Syria, carry their belongings as they walk to receive their tents, at the Bardarash camp, north of Mosul, Iraq, Wednesday, Oct. 16, 2019. The camp used to host Iraqis displaced from Mosul during the fight against the Islamic State group and was closed two years ago. The U.N. says more around 160,000 Syrians have been displaced since the Turkish operation started last week, most of them internally in Syria. (AP Photo/Hussein Malla)
Syrians who are newly displaced by the Turkish military operation in northeastern Syria, sit in a bus upon their arrival at the Bardarash camp, north of Mosul, Iraq, Wednesday, Oct. 16, 2019. The camp used to host Iraqis displaced from Mosul during the fight against the Islamic State group and was closed two years ago. The U.N. says more around 160,000 Syrians have been displaced since the Turkish operation started last week, most of them internally in Syria. (AP Photo/Hussein Malla)
A Syrian woman with her children, who are newly displaced by the Turkish military operation in northeastern Syria, receives a tent from a Kurdish humanitarian worker upon her arrival at the Bardarash camp, north of Mosul, Iraq, Wednesday, Oct. 16, 2019. The camp used to host Iraqis displaced from Mosul during the fight against the Islamic State group and was closed two years ago. The U.N. says more around 160,000 Syrians have been displaced since the Turkish operation started last week, most of them internally in Syria. (AP Photo/Hussein Malla)
A Syrian girl who is newly displaced by the Turkish military operation in northeastern Syria, weeps as she sits in a bus upon her arrival at the Bardarash camp, north of Mosul, Iraq, Wednesday, Oct. 16, 2019. The camp used to host Iraqis displaced from Mosul during the fight against the Islamic State group and was closed two years ago. The U.N. says more around 160,000 Syrians have been displaced since the Turkish operation started last week, most of them internally in Syria. (AP Photo/Hussein Malla)
A Syrian woman who is newly displaced by the Turkish military operation in northeastern Syria, carries her son upon her arrival at the Bardarash camp, north of Mosul, Iraq, Wednesday, Oct. 16, 2019. The camp used to host Iraqis displaced from Mosul during the fight against the Islamic State group and was closed two years ago. The U.N. says more around 160,000 Syrians have been displaced since the Turkish operation started last week, most of them internally in Syria. (AP Photo/Hussein Malla)

BARDARASH, Iraq — Humanitarian groups in northeastern Syria are scrambling to provide aid to hundreds of thousands of people as rapidly shifting battle lines make it increasingly difficult to reach them.