If, which I don't know, they declared an emergency, they may have given a hint and may have talked about some fuel related problem.
If they declared an emergency, again, I do not know this, they will have climbed up the priority ladder immediately and they will have been treated with all support.
Panic in the cockpit....happens all the time as soon as my coffee pot is empty...
It is most apparent that you have a friend, who has heard that someone said that there was an aeroplane, who listened to a conversation, where apparently....
These messages do not help our industry, if there was a problem, try to ask a bit more sensitive, may be better for all of us.