RT News - April 04, 2017 (12:00 MSK)

Three days of mourning are declared in the Russian city of St. Petersburg, after a deadly explosion in the metro system claims the lives of 14 people and injures dozens more. World leaders voice their solidarity with St Petersburg, and offer condolences to the victims' families. However some mainstream media seem to be somewhat more interested in trying to take advantage of the attack for political motives.