One person is in the intensive care unit after an aggravated assault Thursday night.
Thunder Bay Police are investigating the assault, which happened just after 9 p.m. in the 800 block area of McLaughlin Street on June 5.
The victim was taken to the Thunder Bay Regional Health Sciences Centre and is in the ICU, say police.
One person has also been taken into custody.
Police are holding the scene as they continue to investigate.
Any witnesses to the incident are asked to contact the criminal investigations branch at 684-1237.