B737 Undifferentiated or Other Model
Air Traffic Control Fully Certified
Air Traffic Control Time Certified In Pos 1 (yrs) 10
Situational Awareness
ATC Issue All Types
Air Traffic Control Provided Assistance; Flight Crew Requested ATC Assistance / Clarification
Human Factors
I was on break and got a call from a TRACON Controller that the Controller in the Cab was experiencing some kind of medical episode. I ran upstairs to check on the Controller and saw that the Controller was unable to continue to work. There were many aircraft holding on the ground at the ramp and at the runway and a few taxiing aircraft as well. There were also aircraft holding with ZZZ. Normal operations were resumed within 5 to 15 minutes of me taking over. I don't believe without having more CPC's this can be avoided.
No additional information from reporting Controller.
We had an uneventful flight to ZZZ. We were cleared by approach for the [Runway] XXL visual. Upon checking in with Tower; we were given clearance to land [Runway] XXR. The First Officer queried Tower if they meant [Runway] XXL. The Tower corrected the landing runway to [Runway] XXL. Further into the approach and on short final; we listened to several other transmissions from Tower to other aircraft. Some of these transmissions seemed broken and garbled. We landed [Runway] XXL and cleared the runway to hold short of [Runway] XXR at [taxiway] as instructed. While waiting short of [Runway] XXR it became very apparent the Tower Controller was suffering some type of impairment. At this time of night; all frequencies were combined and the Tower Controller was the only ATC staff radio available at the field. We called Approach Control [and] stated our concern. He advised us he had called the Tower but the Tower Controller seemed irritated with him and hung up on him. Feeling our safest option was to get away from the runways; we requested the runway crossing which was granted. After receiving clearance; we announced our position and intentions as though it was an uncontrolled field. We taxied to the gate and made another call to Approach to let them know the situation was deteriorating. We arrived at the gate safely and by this time; police and paramedics were on the way to the Tower.
Air carrier Captain and Tower Controller reported another Tower Controller became ill will on duty.