TOPSHOTS Kurdish people walk in a refugee camp early in the morning in the town of Suruc, Sanliurfa province, on October 19, 2014. US President Barack Obama called his Turkish counterpart Recep Tayyip Erdogan and they pledged to step up the fight against the Islamic State group in Syria, the White House said Sunday. Kurdish fighters have been under IS assault for more than a month around Kobane, which has become a key prize as it is being fought under the gaze of the world's press massed just over the border in Turkey. AFP PHOTO / BULENT KILIC