A Colorado Springs police officer was seriously injured in a crash on Saturday while escorting Vice President Pence's motorcade to the airport.

Colorado Springs Police Department said that the motorcycle officer has been taken to the hospital and is in "serious but stable condition." It was not immediately clear what caused the crash.

"Update: CSPD motorcycle officer is in serious but stable condition. He was supporting VP Pence motorcade. Keep him in your thoughts/prayers," CSPD tweeted.

Update: #CSPD motorcycle officer is in serious but stable condition. He was supporting VP Pence motorcade. Keep him in your thoughts/prayers — Springs Police (@CSPDPIO) June 24, 2017

Pence arrived in Colorado on Friday, where he spoke at the 40th-anniversary celebration for Focus on the Family, a Colorado Springs-based Christian conservative group. The vice president also met with members of the Air Force and attended a fundraising event for Sen. Cory Gardner Cory Scott GardnerBreaking the Chinese space addiction Trump dumbfounds GOP with latest unforced error Billionaire who donated to Trump in 2016 donates to Biden MORE (R-Colo.).

Pence said in a tweet on Saturday that he had spoken with the wife of the injured police officer.

"Spoke to wife of injured Colorado Springs motorcycle officer. So relieved his injuries not life-threatening. Will keep him in our prayers," Pence wrote on Twitter.