The Fort Collins Coloradoan reports the 33-year-old man was taken to a hospital but is not believed to have been hurt in the incident Tuesday.
Authorities say deputies were responding to a report of a domestic dispute when the suspect drove off. After a patrol car force the suspect's car to stop, the man fled and climbed the tower.
The suspect's name hasn't been released. Authorities say no decision has been made on charges.
A Larimer County sheriff's deputy was treated for minor injuries. It wasn't clear how he was hurt.
(KUSA-TV © 2012 Multimedia Holdings Corporation with The Associated Press)