<ul><li>The European Union has advised citizens to stockpile 72 hours' worth of supplies in case of 'threats and crises'.</li><li>This is part of a strategy to enhance Europe's response to emerging threats.</li><li>Experts suggest stockpiling supplies to last much longer than 72 hours.</li><li>Supplies recommended include water, non-perishable food, hygiene items, first aid kits, and essential documents.</li></ul>

Europe says 'emerging threats' mean people should stockpile enough supplies for 72 hours. Here's what experts suggest.

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