Austria's chancellor has warned he will close his country's borders if Germany shuts its southern frontier in response to the migrant crisis.
The threat comes as more than half of the European Union's leaders meet in Brussels today to grapple with a resurgent political crisis over migration that threatens to tear the bloc apart.
The threat comes as more than half of the European Union's leaders meet in Brussels today to grapple with a resurgent political crisis over migration that threatens to tear the bloc apart.












