Six soldiers were wounded on Wednesday when a vehicle rammed into them as they were on patrol in a suburb in the French capital Paris, police said.
The soldiers, part of the French army's 35th Infantry Regiment, were in the Levallois-Perret area to the northwest of the city when they were hit by the dark-coloured vehicle.
"The auto accelerated towards the soldiers for five meters in order to hit them", he told reporters.
Investigators were also scouring through CCTV footage from the suburb, as police stopped motorists in the region as they searched for the attacker.
In a message posted to Twitter, Paris police said an "intervention is under way", with police still searching for the auto involved. Six soldiers of the 35th infantry regiment were injured in the incident, which took place around 8 am, the Defence Ministry of France said.
The injured soldiers were all the members of the anti-terrorism operation which has been deployed since the Charlie Hebdo attack in 2015 in Paris.
The attack happened at about 8 a.m. local time when the vehicle emerged from an alley and plowed into the group as they emerged from a building.
The incident occurred 200 meters away from the Levallois-Perret mayor's office.
The latest incident is one of several recent attacks targeting French security forces guarding public sites.
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Four soldiers sustained light injuries and two were seriously wounded in the deliberate attack. "[Police are] searching for a vehicle", the statement said. "It hurtled at them.it accelerated rapidly", he told the TV station.
"A police investigation was launched and we are searching for the vehicle", the local police department said in a statement immediately following the attack.
Armed Forces Minister Florence Parly said the attack is further evidence the Sentinel force "was more necessary than ever".
"I heard a loud sound, shouts".
The mayor added that the act appeared to be deliberate.
The driver's motive was unclear, but officials said he deliberately aimed at the soldiers, and counterterrorism authorities opened an investigation.
France has been under a state of emergency since the November 2015 attacks in the French capital which left 130 people dead.
In June, an Islamic extremist attacked a police officer with a hammer outside Notre Dame cathedral.