The police were alerted to the emergency room after a man arrived with suspected stab or cut injuries.
The man's injury situation is unclear.
The injured man is said to have been robbed.
Several dark-clad men with raised hoods are said to have robbed him of a watch and necklace.
No arrests
During the night, the suspected crime scene has been cordoned off.
Saturday morning no one was suspected or arrested.
The police have drawn up a report of aggravated robbery.