[1] The shooting occurred when a gunman entered the private nursing home, which had 20 residents, at around 10:10 CEST,[2] and opened fire.

The victims were five residents, including the alleged gunman's mother, who had stayed in the home for ten years, and a staff member.

[7] The names of those killed: The alleged gunman was identified as Krešimir Pahoki (born 1973), a retired military policeman from Daruvar who received the Homeland's Gratitude Medal in 1996.

[9] He had previously served in the Croatian War of Independence and had a prior record with police due to several incidents, including disturbance of public order and domestic abuse.

[3][5] Croatian media reported that Pahoki had financial issues which included the payment of bills for the nursing home.

[3] Croatian Prime Minister Andrej Plenković described the shooting as a "monstrous attack" and expressed condolences to the victims.