news on the deadliest terror attack in Moscow in decades.

More than 100 people are dead after attacker stormed a concert hall yesterday,

shot people inside, then set it on fire.

The US says it has no reason to doubt a claim of inside, then set it on fire.

The US says, it has no reason to doubt a claim of responsibility

made by ISIS K.

See, and Fred, Fred, Fred, let's start

with what you've been learning about who was behind this and how Russia might respond.

Hi there Victor well first of all the Russians are saying that that death toll that you mentioned is already well over a hundred now actually the

Russians fear that that is actually still going to rise.

They say right now that the authorities are actually combing through that building, the Crocus

City Hall on the outskirts of Moscow and a place called

Krasnogorsk. The roof of that building obviously partially collapsed. A lot of

the place has been burned down so the Russian authorities still going through

that right now. Now as far as the attackers themselves are

concerned the Russians are now saying claiming that they have apprehended not

just the four attackers that they say went inside the Crocus City Hall and

started shooting people at point blank as

eyewitnesses said they also say that they have seven people who they say worked

together with these perpetrators so not 11 people in total in custody right now the Russians are

saying that the alleged gunman fled Moscow in a white car and that they were

stopped and apprehended in the Briansk area.

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