central moscow irina thank you very much indeed for that update and from norway now joined live by matthew clemons a senior analyst at i.h.s. a company which provides advice from global trends mr clements welcome to our trucks and borger grand cayman very quick succession what's the reason for that you think. well i think the militants appear to be aiming to create the idea of a sustained operation to increase the psychological impact of these attacks and i think on friday there was an attack gorski. car bomb attack which left several dead so in session we've seen three quite significant terrorist attacks targeting civilians and in particular the transport infrastructure and i think this is designed to really heighten the psychological impact of these attacks which we assess are partly designed to try and create a sense of insecurity ahead of the winter olympic games to be held in sochi in february we know some countries have been actually supporting al-qaeda groups in syria for example how is is this so affecting the whole situation security situation in the world well i think we try and take bac