pristina two kosovo men plead guilty wednesday plan attack world cup soccer match albania visit israel team last year kosovo police arrest 19 people november 2016 suspicion link islamic state militant group plan attack kosovo neighbor albania nine charge state prosecutor say contact lavdrim muhaxheri islamic state self-declared commander albanians syria iraq order attack police say muhaxheri kill june year ... accept guilty plea defendant kenan plakaj say court accuse make explosives police find half kilo explosives house indictment say defendant besart peci also plead guilty sentence announce another defendant face trial keep basement 283 grams self-made explosives triacetone triperoxide explosive use attack paris brussels find various foil bomb europe since 2007. militant attack stag kosovo whose population largely ethnic albanian muslim least 200 people detain investigate offences relate islamic state total 300 kosovars go syria fight islamic state 70 kill international local security agencies kosovo worry many return combat zone pose security threat 2015 kosovo adopt law introduce jail sentence 15 years anyone find guilty fight war abroad two kosovo men plea guilty plot attack israeli soccer team