Bosnian leaders say they will never give up the city.
The diplomats will not publicly identify any specific Bosnian leaders.
The 66-year-old Bosnian leader became testy when reporters pursued the matter.
That day, the three Bosnian leaders met again in Sarajevo for another round of talks.
"It would be presumptuous of me to lecture" Bosnian leaders, he answered.
Instead, the Bosnian leaders demanded that the country be preserved as a federal state, with no formal ethnic divisions.
Bosnian leaders showed little enthusiasm for seeing him today.
There had been some doubt about whether the Bosnian leader would come.
It was the first even marginally optimistic statement from the Bosnian leader for at least a year.
He warned that Bosnian leaders had to make more progress or risk losing international support.