The only campaign office in Colorado devoted exclusively to Republican presidential candidate Donald Trump was vandalized overnight, police confirm.

Volunteers found graffiti on the side of the building when they arrived at 6:30 a.m. Friday, according to Steven Barlock, the Denver co-chairman for the Trump campaign.

The office is located at 740 E. 18th Ave. in the North Capitol Hill neighborhood.

Vandals targeted Donald Trump's Denver campaign headquarters overnight Friday. 

Barlock says the campaign intends to file a police report.

Denver Police have not arrested anyone for the incident.

Vandals spraypainted on Donald Trump's campaign office overnight Friday.