Up to 500,000 Syrians may cross into Turkey seeking refuge from the deadly year-long crackdown on protests by the Damascus regime, the head of the Turkish Red Crescent warned Thursday. Ahmet Lutfi Akar said his organisation expected more refugees \"to cross into Turkey through the border province of Hatay in the upcoming days, as there is an extreme situation. There are various scenarios that this figure may climb up to 500,000,\" the Anatolia news agency quoted him as saying.