November 8 (SeeNews) - Zeljeznice Republike Srpske [BANJ:ZERS-R-A], the railway operator of Bosnia's Serb Republic, said it reduced net loss slightly to 7.5 million marka ($4.4 million/3.8 million euro) in the first nine months of 2018, from 7.8 million marka in the like period of 2017.