British authorities claim to have managed to get social media giants , Facebook and Twitter , to remove videos and posts from preacher Anjem , inviting support for ISIS , despite his arrest and the fact they believed the posts fell foul of British anti - terror laws .
British authorities claim to have failed to get social media giants, YouTube and Twitter, to remove videos and posts from preacher Anjem Choudary inviting support for ISIS, despite his arrest and the fact they believed the posts fell foul of UK anti-terror laws.