A 39-year old Libyan man was seriously injured during an argument with another man late last night in Gozo.
Police said that were called to the incident in Triq il-Port,Zebbug, Gozo at around 11.50pm.
The 9-year old man, who lives in Zabbar, was taken by ambulance to the Gozo General Hospital, where he was later certified as suffering from serious injuries.
The other man involved, a 28-year old Gozitan from Victoria, is being detained by Police for questioning
Police investigations are continuing.