A motorist was stabbed during a Saturday night carjacking in Port Arthur, police said.

Port Arthur Police said the victim was traveling on a motorized bicycle and was approached by two unknown black males, who were attempting to take his bike.

The altercation took place at approximately 7:30 p.m. in the area of 11th Avenue and 6th Street.

“During the struggle one of the (males) stabbed the victim in the back, causing serious injury,” Officer John H Fontenette said. “The victim was transported the hospital for treatment.”

Additional details were not immediately available.