'There were people running and screaming, ' said one.
"That's where he was cornered and then shot dead".
The traffic on the tram line passing in the vicinity of the circus has been cut off for about half an hour, has announced the régie des transports parisiens. "We freaked out because it happened when we were leaving work".
Police stated that the large cat has been "neutralized" by a staff member of the circus close to a bridge across the River Seine, almost 2 km's (1.24 miles) away from the Eiffel Tower itself.
Paris police later tweeted "the danger has been eliminated", after local residents alerted emergency services to the unwanted tourist. The owner, who was not named, was taken into custody while authorities launched an investigation into the incident, according to a police source.
The tiger was thought to have escaped from the Bormann circus, which had set up its marquee in preparation for several performances.
A spokesman for the Paris police prefecture said: "The animal has been neutralised".
"It's a miracle that there weren't any human victims this time", the group said in a statement.