Germany has temporarily closed its embassy in the Afghanistani capital Kabul due to fears of a possible attack, the Associated Press is reporting.
Earlier an international compound building housing military contractors in the city came under attack from gunfire.
Local police officials said there were casualties at the scene of the incident.
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ITV Border Political Editor Peter MacMahon says it's far too early to call this referendum.
A World War Two veteran has told ITV News he has fulfilled a boyhood dream by voting for an independent Scotland.
Keep on top of the referendum results as they are announced from 32 counting stations across Scotland.