Terrorist attack near Moscow kills 60, wounds 145

At least 60 people were killed and 145 wounded in a terrorist attack near Moscow. Gunmen opened fire at a concert venue, with three children among the victims. Explosions and a fire outbreak occurred, causing chaos as people tried to escape. Isis claimed responsibility for the attack. Russian authorities evacuated 100 people from the venue. Security has been heightened in Moscow. Ukraine denied involvement in the incident.