PM Modi arrives in US to deliberate over nuclear terrorism

Prime Minister Narendra Modi arrived in Washington early today to attend the two-day Nuclear Security Summit to deliberate on the crucial issue of threat to nuclear security caused by nuclear terrorism. Also world leaders from over 50 countries are also expected to share their assessment of the threat from nuclear weapons and materials. The stronghold of ISIS is a big threat to world peace. How would the world deal with this crucial issue of nuclear threat?