Hunter has been hospitalized, but no other details are available.
He joined the team last year as a free agent. Against the Chiefs in 2010, Hunter returned a fumble 75 yards for a touchdown.
UPDATE: The Broncos have issued a statement regarding the incident. “We are aware of the reports regarding Jason Hunter and are currently in the process of gathering information and reviewing the facts,” the team said. “Our thoughts are with Jason, and we are hopeful he makes a quick recovery. Out of respect for his privacy, we will not have additional comment on the matter at this time.”