Abdulkadir, of The Fleet, Springfield, Milton Keynes, was also found guilty of possessing of a firearm with intent to commit an indictable offence.

BBC: Mohammed Abdi Farah and Amin Ahmed Ismail

Mr Abdulkadir - who also denies a charge of possessing of a firearm with intent to commit an indictable offence - said Mr Awale promised to kill him if he said anything.

BBC: Mohammed Abdi Farah and Amin Ahmed Ismail

And a 23-year-old man, who is not a member of the police force, was arrested on suspicion of "intentionally encouraging or assisting the commission of an indictable offence", relating to misconduct in a public office.

BBC: Andrew Mitchell

One of the men jailed over the Facebook messages after admitting an offence under the Serious Crime Act of intentionally encouraging another to assist the commission of an indictable offence is to appeal against his sentence.

BBC: PM defends 'tough' riot sentences handed out by courts