BANJA LUKA (Bosnia and Herzegovina), September 9 (SeeNews) – The airport operator of Bosnia’s Serb Republic, Aerodromi Republike Srpske [BANJ:AERD-R-A], said on Wednesday its net loss widened to 347,800 marka ($198,900/177,800 euro) in the first half of 2015 from 243,300 marka a year earlier.