Russian President Vladimir Putin pledged to track down and punish those behind a shooting massacre in a concert hall near Moscow, adding that all four gunmen suspected of carrying out the attack were arrested. #News #Reuters #Newsfeed #vladimirputin #russia #russiaattack Read the story here: https://reut.rs/3TPGIj9 👉 Subscribe: http://smarturl.it/reuterssubscribe Keep up with the latest news from around the world: https://www.reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en