40 people were detained during unrests in Batumi which lasted through the night.
"Such chaos and any disorder on Georgian territory will be resisted with adequate force. I want to stress that all persons who took part in the unrests or were their organizers in Batumi, will be punished to the full extent of the law," minister said.
According to him, the investigation is ongoing, some of the detained people were identified.
"I do not exclude staffing changes in my department, but we should look inside these events," Mgebrishvili said.
Minister also announced that police will use force if new illegal rallies occur in Batumi or any other region of Georgia.
The protests in Batumi started Saturday night after police detained six local residents. Participants of spontaneous rally tried to enter the police building in Batumi, but the special forces used tear gas and rubber bullets to disperse protesters.
Georgian president Giorgi Margvelashvili commented on the events, saying protesters ought to respect law and government institutions.