(CNN) - A single shot was fired Friday at an Obama campaign office in Denver, Colorado, a police spokeswoman said.
The shot resulted in no injuries, although people were in the building at the time, Denver police spokeswoman Raquel Lopez told CNN.
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Police did not have a description of a suspect but did have a possible vehicle of interest, Lopez said.
A glass window was shattered, images of the scene showed.
Lopez said the Secret Service, which protects President Obama, was not involved in the investigation Friday, although the agency’s involvement would depend on what Denver police find.
Obama's re-election campaign had no comment and referred questions to Denver police.
Obama was in Washington on Friday.
- CNN's Marlena Baldacci, Kevin Bohn and Gregory Wallace contributed to this report
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What can you expect from those who call themselves "conservatoves" and are no better than Taliban?
This is the tone of this election. Lies, cheating, misleading ads. Never have I seen our country so divided. America is heading for a full economic collapse, don't fool yourself about that. Our nation has already forever changed.
the republicans are making a good case for responsible gun ounership.
I see. The republican strategy has shifted from outright lying to attempted murder. There used to be a day when you could be elected just by doing what is best for the American people. The GOP has lost sight of this with their hate-based agenda.
More hee-haw Teaaaaabagggers. Go back to Colorado Springs – Denver doesn't want you. And should you still feel the need to shoot something, shoot yourselves.
Our Dear Leader will declare an emergency and impose martial law!
The hillbillies ride again
Nobody likes to be wrong. The stupid resort to violence. Let reason be your light.
Damn someone doesn't want Obama to get a second term. At least no one was killed.
What happen is everyone alright ? Is obama got shot or no why did that person do that does anyone know why ? Please tell me .
Are you serious??? We're doing this crap now???
Getting too close for comfort for the right wingers
In the name of freedom, liberty and democracy... we must prevent people from having choices.
And the shot was fired by a right winger wacko that watches Fox News. Typical of your conservative types who believe everything they see tv. They should feel right at home watching honey boo boo.
Guess he was not a supporter.
What is wrong with people in this country? I didn't agree with President Bush and look at the mess he got us into. Calm down people.
Right-wing extremist nut jobs!
Colorado makes the national headlines in the worst way almost daily. Move over Texas.
I'm moderate, politically independent, and I go to the range regularly. This is just asinine. Conservatives really need to distance themselves from ignorance and vitriolic rhetoric that results in violence like this. It's exactly why Giffords was shot. This is also why moderates like me are driven away by the hate mongering being cultivated within the conservative base.
Republicans are out of control
Wondered when something like this would happen. Sad – there is more to life than politics, people!
What is this 1960? The GOP keeps firing up their crazies and when something happens to someone they will try and distance themselves from the whole thing. First Gabby Gifford and their story that it had nothing to do with the crosshairs Sarah Palin put on her district. Or her orders to lock and load em! When someone kills somone over this election I want Issa to do a REAL investigation on neglegent homicide by politician who know some of their folloers are dangerous and deranged!
Shame on you for not accepting the Democracy we live in and those that the system has elected. Perpetual hate leads to violence.
Libs again. They always pull this crap when they are losing.
I hate right wing gun toting goobers