"There is a good chance that it is something fairly innocuous," a police source said.
A resident raised the alarm at around 10:30 pm and the bomb squad was on site in the suburb of Lambersart as a precaution.
At the end of August, a concert in the Dutch city of Rotterdam was cancelled at the last moment after a tip-off from Spanish police. The driver of a van carrying several gas cylinders near the venue was arrested but later released.
In June, a major bomb squad operation was launched after a vehicle with a dozen bottles of butane hidden under a tarpaulin was discovered in the Isere department of eastern France. It turned out that the driver was stealing from his employer, a freight company.
Since that large-scale attack and last year's Nice truck attack that killed 86, France has suffered a string of smaller assaults mainly targeting security forces.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
Get Breaking news, live coverage, and Latest News from India and around the world on NDTV.com. Catch all the Live TV action on NDTV 24x7 and NDTV India. Like us on Facebook or follow us on Twitter and Instagram for latest news and live news updates.