Saudia SV891 Lucknow-Jeddah (A330 HZ-AQI) diverted to Karachi Thursday 1st December, with a straight-in to Runway 25L. Active runway was 07R. Other inbounds forced to hold.
Captain declared Mayday and stated he would stop on the runway, unable to taxi. Requested full assembly of emergency vehicles, including ambulances.
Nature of problem still not clear at time of posting.
Edit: Reason for diversion was captain fainting. Co-pilot made the Mayday call.