Passengers ran for his or her lives after listening to a blast and seeing smoke whereas ready within the departure space of the station shortly after 8pm on Monday.
Witness Haxie Meyers-Belkin instructed the Commonplace: “I used to be sat close to the escalator resulting in the platform once I observed individuals screaming, dropping their circumstances.
“It was a mass panic of individuals operating in all instructions. Folks have been looking for corners to cover.
“The smoke was fairly acrid, so I believed one thing was amiss. However after 25 seconds it grew to become clear it wasn’t a bomb assault and it subsided fairly shortly.”
The 8.10pm Eurostar service left as scheduled, although fellow witness Katy Lee mentioned that amid the confusion, it departed with out “200” disgruntled Parisians.
Posting on Twitter, she additionally mentioned some individuals the place left shaking and in tears following the scare.
A person, apparently a workers member, was seen photographing the particles of the gadget on the ground.
British Transport Police and Eurostar have been contacted for remark.