BANJA LUKA (Bosnia and Herzegovina), November 10 (SeeNews) – Challenges to the the General Framework Agreement for Peace in Bosnia (GFAP) have increased in the period from April 21 to October 21, 2015, but most seriously on July 15, when the Serb Republic entity adopted a decision to hold a referendum on the state judicial institutions and the authorities of the high representative, the High Representative in Bosnia, Valentin Inzko, said in his 14th report to the UN secretary general.