Police are investigating a shooting after bullets were fired through President Obama's campaign office in Denver.

Authorities say people were inside the office when the shooting happened yesterday afternoon, but no one was injured.

A large panel of glass was left shattered at the office.

Police do have video surveillance from yesterday's afternoons shooting.

A spokeswoman with the Denver Police Department says investigators are looking over the tapes for any leads.

She however did not release any other information, calling the case an active and ongoing investigation.

Police say they're not aware of any previous threats against the campaign office.