Siren due to sound at Portsmouth Naval Base in the morning - this is why

Published 27th Feb 2024, 22:15 BST

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A nuclear siren is due to sound in sound at Portsmouth Naval Base as part of the regular tests carried out throughout the year.

The wavering tone will sound at Portsmouth Naval Base at 9.30am on Wednesday, February 28 and will last for about a minute. It is part of the statutory tests carried out three times a year and no action is required.

The test is part of the nuclear accident response plan for the naval base and is in accordance with Portsmouth and Gosport councils’ nuclear safety plan.

Every year the siren is sounded three times as part of the tests, on the last Wednesday of February, June and October.

Portsmouth Gosport Royal Navy

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