Denver, Colorado - PRELIM INFO FROM FAA OPS DENVER CO UAS 1708M DENVER ATCT ADVISED AN UNKN TYPE

PRELIM INFO FROM FAA OPS: DENVER, CO/UAS/1708M/DENVER ATCT ADVISED AN UNKN TYPE OF UAS IN THE VICINITY OF DEN AIRPORT. DENVER PD WITNESSED AND REPORTED THE UAS TO DENVER TOWER. DENVER PD