A video showing a woman pulling a severed child’s head from a bag and threatening to blow herself up has emerged.
She is seen shouting ‘I am a terrorist’.
The incident happened near Oktyabrskoye Pole metro station in northwest Moscow.
The woman is now in custody and police have found a child’s body in a flat in Moscow.
Local media has reported that the woman is from a ‘Central Asian country’, in her 30s.