Four men are facing charges in connection to the deadly attack at a concert hall in Moscow. READ MORE: https://whas11.com/ Follow WHAS11 on Social: Facebook: https://www.facebook.com/WHAS11 Twitter: https://twitter.com/WHAS11 Instagram: https://www.instagram.com/whas11/ Subscribe to WHAS11 for exclusive content: http://www.youtube.com/c/WHAS11News?s... Download the WHAS11 News app: Apple: https://apple.co/325dTnY Android: https://bit.ly/3hfvOg8 #moscow #russia #attack #terrorist #arrests