A transport police spokesman said earlier this evening: "Avoid the area around the station of Nimes."
Later they updated: "End of the lifting of doubt: imminent return to normal at the station of Nimes."
The false alarm comes at a time of heightened tensions after terror attacks across Europe.
On Thursday, Barcelona's famous Las Ramblas walkway become the scene of carnage after a van rampage killed 14 and wounded more than 100.
Police closed down the city center, after the van zigzagged down the packed Ramblas before the driver escaped.
On Friday, a Moroccan man was arrested for killing two women in a knife rampage in the city of Turku in Finland.
Eight other people - six of them women - were wounded and police shot the suspect in the leg before his arrest.