A government armoury in Katherine has been robbed for the second time in three months, after four unknown people broke into the building in the industrial area in Katherine East on Saturday morning, stealing an undisclosed quantity of ammunition and damaging emergency services vehicles, NT Police said.

The same armoury was hit in July, but police said at that time that no firearms were taken. It remains unclear what else besides ammunition might have been stolen during the latest burglary.

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