ISIS once held swathes of land in Iraq and Syria right up until 2019. Now Somali forces have discovered hundreds of caves and mountain hideouts in their offensive against the militants who've set up base in the north of the country. Sky's Alex Crawford takes us inside the heart of a growing terror network in a new documentary, Hunting for ISIS: A Warning from Africa #skynews #newsshorts #documentary #Somalia SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Sky News Daily podcast is available for free here: https://podfollow.com/skynewsdaily/ To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales