Published Date: 2024-03-24 14:40:00, Category: News (691157)Time: 02:47 min, View Count= 34 ( + More Social Media views ) , Rating= Title: Putin vows ‘retribution’ after deadly terror attack at concert hallKeywords: Putin vows ‘retribution’ deadly terror attack concert hall Description: Russia is observing a day of mourning for the victims after a concert hall terror attack left more than Russian President Vladimir Putin vows retribution as the search for survivors