The Roman Museum in Lausanne, Switzerland, has been the targeted by thieves stole several dozen gold coins of archaeological value. +Get the most important news from Switzerland in your inbox The two unknown persons, who broke into the building shortly before it closed on Tuesday, are still on the run. "An inventory is currently being carried out to determine the exact number of items stolen and to identify any other missing goods. As these are objects of archaeological value, the extent of the damage is not yet known," Lausanne city police announced on Thursday. The museum was closed on Wednesday for the investigation and reopened on Thursday. According to the city police, the incident occurred on Tuesday afternoon around 4:45pm when the perpetrators entered the Roman Museum after buying their tickets at the ticket counter as normal. According to initial findings of the investigation, the two men attacked and pinned down the security guard shortly before the museum closed at 6:00pm.