Most propaganda from the self-styled Islamic State now aims to prove it is a genuine nation, rather than glorify acts of violence, a study suggests.

Security think tank Quilliam said the fighting group was going to huge lengths to sell itself as a viable and functioning transnational state. IS media teams produced 900 separate reports, rulings, videos and radio programmes in one month, it found. It said 469 of these - more than half - focused on civilian life and statehood.

These were spread worldwide through social media search terms and hashtags, to dodge attempts to close down its "official" social media channels. IS operates some 40 media operations across the territory it controls, is attempting to seize or claims to have an operational presence. Most of the output is in Arabic, but many reports are translated into English and other target languages.

Over the course of a month, the counter-extremism think tank logged all announcements, broadcasts and publications which it said could be clearly attributed to the group's media teams.

Quilliam recorded almost 900 individual online messages and publications covering one of six core propaganda themes: war, brutality, victimhood, mercy, belonging and civilian life. Charlie Winter, the study's author, said: "The overall narrative has shifted in favour of victimhood, war and utopianism.

Read more: BBC