Refugees 'exhausted' after Serbia-Hungary border closes

Hungary has completed a razor-wire fence along its border with Serbia, and blocked a railway line used as a crossing point.

The country is due to enforce tougher measures from midnight on Tuesday including arresting illegal immigrants.

Prime Minister Viktor Orban told Hungary's TV2 a state of emergency was "likely" to be introduced in the border area.

James Reynolds reports from the Serbia-Hungary border.

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