(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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This kind of action is unacceptable in American poitics. Few are more conservaive than I and I deplore anything that threatens the freedoms that I've been deployed eight times to defend. It's the vote stupid, not the bullet that counts in America.................!
I think it's time to investigate fox news and their pundits.They're going overboard with their attacks and encouraging this violence. enough is enough.
Only way they would win.
Is anyone else really surprised? I am. I'm surprised the nuts have held back this long.
We don't know who did it but this is the only way rethugs know how to react to losing.
Bet it was just a demonstration that got out of hand ! Probably over a youtube video !
If I wanted to think people were crazy for voting for Romney, I would have someone take a gun and shoot at one of Obama's offices. That was planned.
So this is what it's come to. A lot of people were angry at both Bush Jr and Clinton but there was never this much hate.
I guarantee you . . . it was no Lee Harvey Oswald (planned) or John Hinkley (loopy). It's just some hateful racist that finally just snapped.
Come on... this is the USA, not 1970s uganda or Chechnya.
Note to self: When in Denver, don't drink the water.
So this is what it's come to. A lot of people were angry at both Bush Jr and Clinton but there was never this much hate.
When they find the guy, it'll be no Lee Harvey Oswald (planned) or John Hinkley (loopy). It's just another racist that finally just snapped.
Come on... this is the USA, not 1970s uganda or Chechnya.
I guess the ballot box is just not 'manly' enough for some Americans.
Really? People are going way too far with this stuff.
Must have been the reaction from a video against the "Prophet Mohammed".
A hater Republican I'm sure.
The Tea Party strikes again
Another gun nut.
They can't convince people to come to their side by promoting their position on the issues and short on ideas – this is what they have to resort to – fear. The attack on Gabby Gifford was just the beginning. This was an extension of the threat made by the judge in Texas was talking about – this is what we can expect from the crybabies when they don't get their way.
At some point all the negative comments over the formerly respected office of the President, as it has not been for many years, someone will think that we are in a war against the government and feel justified in shooting. Shame on you for not accepting the Democracy we live in and those that the system has elected. Perpetual hate leads to violence.
I live, here, in Denver. We've had enough of the crazies! Stop it!
So, are these brown shirt style attacks or not? Wake up and smell the coffee America, before you embolden a bunch of facist thugs. This act was perpetrated by a KKKonservative extremist. This is what the whole country will look like if they get their grimey hands on the reins of our government.
People are so hateful.Its a shame.
Democrats will do anything to get re-elected, including staging this obvious attack from a "teabagger"
Violence is always the answer for their side. I never knew that intimidation was so patriotic!
It was probably al Qaeda. The Obama Administration thinks they have been eliminated.
glenn beckerhead?