Mr. Brown said the government would reach out to mosques, youth groups, schools and prisons, among other institutions, to counter extremism and terrorist propaganda.
Under pressure from the EU, internet giants also began a collaborative initiative last year to fight online extremism and terrorist propaganda.
State media reports that during its first month authorities busted 32 gangs and sentenced 315 people to prison or death for crimes including religious extremism, manufacturing guns, spreading propaganda and illegally crossing international borders.
Conventional wisdom holds that radical propaganda, religious extremism, and fanatical nationalism are inspirations that contribute to terrorists' motivations.
Charlie Winter, a researcher for the counter-extremism think tank Quilliam, said the propaganda was likely an attempt by Isis to suggest bombing campaigns by the US-led coalition had not managed to destabilise the group or life in territories under its self-declared caliphate.
Their ridiculous assertion is that presenting peaceful Muslims is propaganda, whereas true Muslims advocate for extremism and Sharia law.
Manchester may have its own problems with extremism to confront, but the proliferation of online propaganda, much slicker and universally accessible, has allowed groups to propagandize events from anywhere in the world to an international audience.
Photography and film have always been central to modern propaganda, but the manoeuvres of this new variant of Islamic extremism seem to be produced and choreographed only for the attentions of the global media.
