Thanks … well, you should have told me that it is 5th of those 9 clips. It took me lot of time to find the right one 
Anyhow, I could not hear anything different from what is written. Rather, it is more clear when reporter says that many of new arrivals are from North near Tribal area where they have supporters of Taliban (shows that ethnicity is not concern but their fundamentalism is). Even when Mustafa Kamal was talking, it was clear that he was agitated not about Pakhtuns but fundamentalist.
Even though the report did not give question for which Mustafa answered but it is clear from answers that question were about Mustafa Kamal worries regarding new Pakhtun settlers who could be Taliban supporters. Mustafa Kamal answer as I mentioned in above posts is clear that his concern is not about Pakhtuns but Taliban fundamentalists.
Mustafa Kamal: ‘These Pushtons means what? Pashtun means fundamentalists, religiously fundamentalist, religiously extremists, they are coming in … when comes to ethnicity when it comes to Islam they all are, they all are the same’ … clearly shows what Mustafa Kamal means. Then further journey also is concerned about religious fundamentalism … as Mustafa took the reporter for a drive showing sign of religious fundamentalism in the area.
Then mayor took us for a drive
Past squatter neighbourhood
Islamic school
Passed the area where Daniel Pearl was found dead
He pointed to a window … towards bearded man
Mustafa Kamal asked reporter to look at his face. Obviously asking foreign journalist to see sign of fundamentalism at his face … as there is no mention of ethnicity by Mustafa Kamal neither there is any possibility that ethnicity of bearded man could be determined by anyone, be that Mustafa Kamal or Journalist.
All above shows that Mustafa Kamal is showing concern regarding spread of Islamic fundamentalists … and their trying to take control of crucial places in Karachi … shows that number of immigrants is not concern but their location is concern. If concern was about pakhtuns than there should be no worry about their location … but location is worrisome when fundamentalist takes crucial locations as prerequisite of their possible later bid to take over the city.
But it seems that reporter is taking that concern of Islamic fundamentalists as concern about Pakhtuns. It seems that reporter thinks that only Pakhtun are Islamic fundamentalists (as perception is in west) but that is not true as Mustafa Kamal says … as far as ethnicity of Islamic fundamentalist is concerned, be they Pakhtun or anyone, they are all same.