Turkish security forces have prevented a group of hundreds of Syrian migrants from crossing Turkey’s northwestern border into Greece, a representative of the migrant group organising a convoy dubbed “Caravan of Light” said on Wednesday. “We wanted to cross the border and they refused. There was around 600 people in the convoy. We were blocked,” the representative of the group told Reuters from the Turkish town of Ipsala, requesting anonymity. Video footage filmed by the migrants showed Turkish security personnel dragging away migrants who had gathered with their bags in a rural area. The repre…