31 arrested overnight in Ferguson, Mo.

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Violent clashes between police and protestors continued overnight in Ferguson Missouri, sparked by the shooting death of an unarmed teenager by a police officer.

Police arrested 31 people Monday night.

At least two protestors were shot by others in the crowd.

Schools in Ferguson will be closed for the rest of the week because of the unrest.

The highway patrolman in charge of security is asking the peaceful protestors to do all of their demonstrating before dark today.

Capt. Ron Johnson said he wont allow criminals to endanger lives.

"Today some of those officers walked by me because they are hurt and they're ashamed that we stood there and I'm telling you we are going to make this neighborhood whole," Johnson said. "We're gonna make community whole. And we're gonna do it together. And I'm not going to let the criminals who have come from across this country or live in this community define this neighborhood and define what we're gonna do to make it right."

U.S. Attorney General Eric Holder plans to travel to Ferguson later this week to talk to local officials about the investigation into Ferguson Police Officer Darren Wilson's shooting and killing of 18-year-old Michael Brown.