Refugees desperate to make it to Western Europe have scattered to find alternative routes to the region as the crisis has stretched some countries to the limit.

There was a tense standoff at the Macedonia-Greece border as refugees looking to pass through overwhelmed border security guards. Once order had been restored with the crowds, the flow was allowed to continue.

According to a UN refugee officials, more than 6,000 migrants and refugees have crossed over from Greece in the last 24 hours.