(ANSA) - BELGRADE, APR 28 - A man opened fire on the ground floor of the Athens Court of Appeals, located in the Ampelokipoi neighbourhood. Skai, a private broadcaster, reports that four people were injured but treated for minor leg injuries. According to preliminary information, the attacker is the same 89-year-old man who allegedly opened fire shortly before inside a branch of the National Social Security Institute in the Keramikos neighbourhood, injuring an employee in the foot. The man then fled. Greek authorities have recovered the hunting rifle and are looking for the shooter. (ANSA).