Originally Posted by christep
I see no rule that prohibits xxx-LHR-JNB//NBO-xLHR-GIG-...
Did they tell you why they would not allow that?
No, I didn't ask specifically about JNB, but the agent did say that xxx-LHR-MRU//NBO-xLHR-GIG-... would be illegal. He seemed to know immediately where Mauritius is located.