![Luke Pollard MP on Twitter: "The air raid sirens went off in Devonport today signalling nuclear radiation was leaking from the naval base and dockyard. It was a false alarm but it Luke Pollard MP on Twitter: "The air raid sirens went off in Devonport today signalling nuclear radiation was leaking from the naval base and dockyard. It was a false alarm but it](https://pbs.twimg.com/media/FW1qkYhWYAU6CCs.jpg)
Luke Pollard MP on Twitter: "The air raid sirens went off in Devonport today signalling nuclear radiation was leaking from the naval base and dockyard. It was a false alarm but it
![This is why people in Cornwall heard the nuclear alarm sound at Royal Navy Devonport base in Plymouth - Cornwall Live This is why people in Cornwall heard the nuclear alarm sound at Royal Navy Devonport base in Plymouth - Cornwall Live](https://i2-prod.cornwalllive.com/news/cornwall-news/article951453.ece/ALTERNATES/s1200b/devonportPNG.png)
This is why people in Cornwall heard the nuclear alarm sound at Royal Navy Devonport base in Plymouth - Cornwall Live
![Navy Lookout on Twitter: "False alarm. Nuclear emergency siren accidentally sounded at Devonport Dockyard today https://t.co/MJnADuQRpo https://t.co/28TXZ0T5aP" / Twitter Navy Lookout on Twitter: "False alarm. Nuclear emergency siren accidentally sounded at Devonport Dockyard today https://t.co/MJnADuQRpo https://t.co/28TXZ0T5aP" / Twitter](https://pbs.twimg.com/media/FW1iWBaWQAM98wt.jpg:large)
Navy Lookout on Twitter: "False alarm. Nuclear emergency siren accidentally sounded at Devonport Dockyard today https://t.co/MJnADuQRpo https://t.co/28TXZ0T5aP" / Twitter
![Truth about Plymouth's iconic Devonport Naval Base siren and city's nuclear incident plan - Plymouth Live Truth about Plymouth's iconic Devonport Naval Base siren and city's nuclear incident plan - Plymouth Live](https://i2-prod.plymouthherald.co.uk/incoming/article4074539.ece/ALTERNATES/s1200/1_IMG_9535-1.jpg)
Truth about Plymouth's iconic Devonport Naval Base siren and city's nuclear incident plan - Plymouth Live
![Thieves steal £250,000 of diesel from HMNB Devonport in Plymouth | News - Greatest Hits Radio (Plymouth) Thieves steal £250,000 of diesel from HMNB Devonport in Plymouth | News - Greatest Hits Radio (Plymouth)](https://cdn.apollo.audio/one/media/624e/a9d2/7318/7b76/c37d/eaac/W5J6J5.jpg?quality=80&format=jpg&crop=545,0,3469,5200&resize=crop)