Russia violates NATO airspace in attack on Ukraine – Poland reacts. Russia is carrying out air strikes on the Ukrainian capital again.

Kiev denies involvement in the attack in Moscow. Russia remembers the more than 130 victims of the terrorist attack on a concert hall near Moscow. Four main suspects in the terror attack were brought to the Russian capital for questioning. At least 133 people were killed in the concert hall attack on Friday evening, including three children. The terrorist militia Islamic State had already claimed responsibility for the attack on Saturday night.