At least six people have been killed, following a suicide bombing and clashes, including the beheading of three people, in western Libya.
A woman has been arrested by police in the Russian capital, Moscow, on suspicion of murdering a child, after she was reportedly found carrying a severed head.
Captured British citizen Alan Henning is believed to have been beheaded by Islamic State militants, following the release of a video purporting to show his killing.
A woman is believed to have been beheaded in the back garden of a north London house on Thursday. A 25 year old man was arrested on suspicion of murder and is in custody.
A video supposedly released by the Islamic State has surfaced which purports to show the beheading of a second American journalist, Steven Sotloff.