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Police investigating a letter threatening armed forces families have warned that members of the armed forces need to be careful about what they are posting on social media.

A member of the armed services within Lincolnshire was sent a threatening letter from a group calling themselves ‘The Circle of Allah’.

The chilling letter, titled ‘Jihad: The Holy War of Islam’, warns servicemen and their “brides” that they will “pay the price” for fighting in wars in Afghanistan and Iraq. 

The family who received the letter have now fled their address.

Detectives have confirmed they are working closely with The Ministry Of Defence.

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