Those arrested are being investigated for various offences, including cheating, abetting unauthorized access to computer systems, and money laundering.
Louisville Mayor Craig Greenberg said that four people on the ground were among the dead, while the three crew members onboard the plane are presumed to have been killed.
Dozens of mourners chanted slogans including "they killed him!" and "death to Khamenei," expressing their anger over Sarlak's death at his funeral on Monday.
Radnicki 1923 player Mehmed Cosic, who was on the field during the match, later shared that Zizovic had said that he was feeling unwell shortly before his fatal heart attack.