Dressed in black and with their faces covered, 20 people smashed the front door and stormed into the jewelry store.
They smashed the display cases and took with them quantities of jewelery and jewels of an as yet unknown value.
No one was injured in the massive break-in.
After a police chase, some of the robbers were arrested, according to the local police. Now they are investigating connections to another burglary which also included a large group of men.