pristina court kosovo friday sentence four people include member parliament prison term range years take part grenade attack parliament build last year four find responsible throw rocket propel grenade build august last year order halt adoption border deal montenegro one injure attack tensions opposition party then-ruling coalition rise last summer parliament get ready adopt border deal montenegro key kosovo get visa-free travel regime european union opposition party oppose deal say country 1.8 million lose land hand 8,000 hectares 19,700 acres kosovo territory montenegro protest deal opposition deputies release tear gas parliament chamber supporters clash police street protest frasher krasniqi parliament deputy big opposition party vetevendosje find guilty sentence years prison adea batusha 23 niece vetevendosje leader sentence two years prison one defendants find dead cell november 2016 trial start vetevendosje blame authorities death police say kill unjust judgments sooner late criminals order fabricate trials hold accountable law history frasher krasniqi write facebook page verdict kosovo declare independence serbia 2008 nearly decade nato bomb drive serb force territory kosovo court jail four 2016 parliament rocket attack