Russian President Vladimir Putin has put his 'nuclear deterrent forces' on high alert, this as the war in neighbouring Ukraine continues. Putin said this was a response to what he called 'unfriendly' actions by the west. But what does this mean, and should we be worried about this development?Africa-Asia analyst Thembisa Fakude; and senior researcher at the Institute for Global Dialogue, Faith Mabera. Tune into Newzroom Afrika, DSTV channel 405 for more details.