Jan Kuciak, who had been probing alleged high-level political corruption in Slovakia linked to the Italian mafia, was found shot dead alongside his fiancee Martina Kusnirova on Sunday.
Ján Kuciak, a journalist for Aktuality.sk who had been reporting on tax fraud, was killed in his home in Veľka Mača.
Slovakia followed the lead of Bulgaria, which also recently rejected the same treaty, by doing so.
It has now been 25 years since the Czech Republic and Slovakia first split into separate countries.
FAM president Tunku Ismail says there may be no allocation for the national squad and teams competing in the Malaysian Leagues if FAM loses the two court cases.
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