A Bangladeshi-origin British man who plotted an Islamic State-inspired attack on US military personnel based in England has been jailed for life and told he will spend at least 12 years behind bars.

Feeling unfairly targeted by the government's anti-radicalisation drive, Britain's Muslim community is rallying to find its own response to extremism and take a greater role in the fight against terrorism.

US forces have carried out an air strike targeting the Islamic State group militant "Jihadi John", the Pentagon has said.

The man identified as extremist "Jihadi John" said he felt like a "dead man walking" after being contacted by UK security services

The masked Islamic State militant known as "Jihadi John", who has been pictured in the videos of the beheadings of Western hostages, has been named.