According to Nice-Matin, an armed robber entered the Monte Carlo Casino Thursday afternoon around 4:30 pm.
The French daily reported the thief was attempting to steal from Graffe Diamonds, pulled out a handgun and threatened employees before helping himself to some jewellery. He then, reportedly, took a female shop employee hostage before making his escape.
Nice-Matin stated the hostage was released on one of the small streets around Place du Casino as the perpetrator fled. But he did not get far. He was arrested trying to take a taxi by Monegasque police.
The man remained in police custody Thursday night.
No shots were fir, no injuries were reported.