Six French soldiers were reported hurt after a vehicle hit them in north-western suburb of Levallois-Perret.
"Police intervention is underway. Search underway for vehicle," the Paris police department said in a Tweet.
The vehicle took off after the incident, which took place at about 8:00 AM (1130 IST) in the northwestern suburb of Levallois-Perret.
Police described the incident as an "apparently deliberate act".
France has been under a state of emergency since November 2015 and has seen a string of attacks on security forces who have been regularly targeted, particularly those guarding key tourist sites.
An 18-year-old with a history of psychological problems was arrested on Saturday at the Eiffel Tower after brandishing a knife.
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He told investigators he wanted to kill a soldier, sources close to the case told AFP.
In February, a man armed with a machete attacked four soldiers on patrol at Paris's Louvre Museum, while in April another extremist shot and killed a policeman on the Champs Elysees.
In June, a 40-year-old Algeria doctorate student who had pledged allegiance to the Islamic State group attacked a policeman with a hammer outside Notre Dame cathedral.
With Agency Input
