 Complete the following phrase:  Grbavica was reopened yet again on 25 April 1976, and in 1986 a modern northern stand was added which is still in use. Unfortunately, war began in spring 1992 and Željezničar was forced, yet again, to play on Koševo Stadium until 1996 when it came back to Grbavica. During the 1990s war the stadium suffered heavy structural damage. The stadium was located between the 