Man loses his left eye after being violently assaulted with a hammer

A shocking video shows the moment a Canadian man was horrifically beaten with a hammer after he grabbed a woman who was 15 weeks pregnant.

Sylvain Gauthier, 36, lost his left eye after an altercation turned violent inside a Montreal convenience store in March 2017.

Surveillance video that was released by the store shows the moment Guathier approached Yan Lafrenière’s then-pregnant girlfriend.

In a shocking video, Sylvain Gauthier (right), 36, is seen grabbing the collar of a pregnant woman (left)

Another man who was standing nearby is seen trying to get Guathier to release the woman, but all three end up crashing down to the ground (right)

Another man who was standing nearby is seen trying to get Guathier to release the woman, but all three end up crashing down to the ground (right)

Moments later, the woman's boyfriend, Yan Lafrenière (pictured), 26, runs up to Guathier and starts hitting him with a hammer on his back, arms and head

Moments later, the woman’s boyfriend, Yan Lafrenière (pictured), 26, runs up to Guathier and starts hitting him with a hammer on his back, arms and head

Guathier, who was believed to be intoxicated at the time, is then seen grabbing the woman by the collar of her blouse. 

Another man who was standing nearby is seen trying to get Guathier to release the woman, but all three end up crashing down to the ground.

Moments later, Lafrenière, 26, runs up to Guathier and starts hitting him with a hammer on his back, arms and head. 

That’s when a store employee with a bat comes between the two men and breaks the assault up. 

But that only lasted a few seconds. In the video Lafrenière is then seen issuing one final blow to Guathier’s head, the blow that is believed to have damaged his eye socket.  

Guathier falls to the ground as Lafrenière continues to hit him before he’s pushed away by his girlfriend. 

That's when a store employee with a bat comes between the two men and breaks the assault up. But that only lasted a few seconds before Lafrenière is seen issuing one final blow to Guathier's head, the blow that is believed to have damaged his eye socket

That’s when a store employee with a bat comes between the two men and breaks the assault up. But that only lasted a few seconds before Lafrenière is seen issuing one final blow to Guathier’s head, the blow that is believed to have damaged his eye socket

Guathier (on the ground) falls to the ground as Lafrenière (right) continues to hit him before he's pushed away by his girlfriend

Guathier (on the ground) falls to the ground as Lafrenière (right) continues to hit him before he’s pushed away by his girlfriend

Authorities said Guathier (pictured) was struck 16 times during the assault. The attack caused him to lose his left eye 

Authorities said Guathier (pictured) was struck 16 times during the assault. The attack caused him to lose his left eye 

Authorities said Guathier was struck 16 times during the assault.  

On Tuesday, Guathier walked away from court with $150 fine for using brass knuckles during the fight that he started. 

Earlier this year, Lafrenière pleaded guilty to assaulting Gauthier and was sentenced to two years in prison.

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