Russian officials say more than 60 people have been killed and over 100 injured by assailants who burst into a concert hall and sprayed the crowd with gunfire. Friday's attack came just days after President Vladimir Putin cemented his grip on power in a highly orchestrated electoral landslide. The Islamic State group claimed responsibility for the attack in a statement posted on affiliated channels on social media. Subscribe to FOX 5 NY: https://www.youtube.com/fox5ny?sub_confirmation=1 Watch FOX 5 NY Live: https://www.fox5ny.com/live FOX 5 NY delivers breaking news, live events, investigations, politics, entertainment, business news and local stories from New York City and across the nation. Watch more FOX 5 NY on YouTube: Black Entrepreneurs: https://www.youtube.com/playlist?list=PLcuHpcV2MbFhCA1ErwiU_6G6XSA-HBg0r STREET SOLDIERS with LISA EVERS: https://www.youtube.com/playlist?list=PLcuHpcV2MbFgxNyloxnZwYu5p0oWN_lSJ A.I. ALL IN: https://www.youtube.com/playlist?list=PLcuHpcV2MbFgcJsok-gL3gwY8OfzVkacP Finding Faith: https://www.youtube.com/playlist?list=PLcuHpcV2MbFg7_GyPTOJfF9PiWwo9sgMd The Big Idea: https://www.youtube.com/playlist?list=PLcuHpcV2MbFizXx6FzVo9sCaNbCYu_rVB Download the FOX 5 NY News app: https://www.fox5ny.com/apps Download the FOX 5 NY Weather app: https://www.fox5ny.com/apps Follow FOX 5 NY on Facebook: https://www.facebook.com/fox5ny/ Follow FOX 5 NY on Twitter: https://twitter.com/fox5ny/ Follow FOX 5 NY on Instagram: https://www.instagram.com/fox5ny/ Subscribe to the Good Day NY Morning Brief newsletter: https://www.fox5ny.com/email