Hundreds of refugees have passed through the Macedonian border from Greece unhindered a day after police used stun grenades in a failed bid to prevent them from crossing. Al Jazeera's Andrew Simmons, reporting from Gevgelija on the Macedonian side of the border, said the refugees were boarding trains to take them from Macedonia to Serbia. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter / ajenglish Find us on Facebook / aljazeera Check our website: http://www.aljazeera.com/