The letters - which are written in childish handwriting - are addressed to fighters in the war-torn country and are believed to have been written in an afternoon class.
They refer to terrorists as "diamonds among stones" and even call them "heroes" - while they also vow support for savage acts and are signed off with decorative handprints.
One of the letters is written to "my brothers" in Jabhad Al-Nusra - a jihadist militant group.
Another letter refers to the mujihideen as "all our heroes and role models" and even states that when they are made "mothers of sons we will send them to you to become heroes like you". [Daily Express] Read more
