Letters written by Brusthom Ziamani,19, reveal his desire to 'die a martyr' and telling other Muslims to take up arms against Britain.

In one letter he seeks to reassure his parents telling them: "what I'm about to do is an obligation."

Brusthom Ziamani letter to his parents Credit: Metropolitan Police/PA Wire

To my beloved parents wat im about to do is an obligation.

Brusthom Ziamani letter to his parents
Brusthom Ziamani letter to his parents Credit: Metropolitan Police/PA Wire

I will fight in the cause of Allah and I plan to die a martyr and leave this world and enter the next inshallah I love Allah and will follow everything he orders....so forgive me for the stress I caused in the past but becoming a muslim has changed me tremendously for .... for must all strive to fight in Allah's cause.

Brusthom Ziamani letter to his parents
Brusthom Ziamani Credit: Metropolitan Police/PA Wire
Brusthom Ziamani letter Credit: Metropolitan Police/PA Wire

do not fear people at all shoot them all in the face in the chest burn the pubs with the people in dere do not fear them at all be strong do not mix with chsrisitians and jews and nonbelievers KIILL them all no pity but do not kill the women and children don't damage any trees or nature .....all the Christians will have 2 surrender

Brusthom Ziamani letter
Brusthom Ziamani letter Credit: Metropolitan Police/PA Wire

Im not even .... you people will never be safe Brits and americans russians thousands upon thousands ov muslims die daily ... we will take a thousand ov yours then ten thousands

Brusthom Ziamani letter
Brusthom Ziamani letter Credit: Metropolitan Police/PA Wire

don't be there friends HAHAHAHAHAHA LOOOL!! Lee Rigby is burnin in hell ... this is what you get for voting Cameron and democracy my brothers who are lee rigby's killers are in prison getting food clothes and shelter and its being paid by lee rigby's family HAHA this world is our prison and your paradise our God Allah promised us paradise you's goin to the hell fire brother pick up you swords ...take off there limbs we should do a 9/11 and 7/7 and Woolwich all in one day everyday for 8 years to d'z people don't try to feel sorry for them this is 4 ALL muslim fighters ...

Brusthom Ziamani letter