The University at Buffalo says defensive end Solomon Jackson has died a week after experiencing a medical emergency during a team conditioning session.

The university said in a statement Tuesday that Jackson died Monday night. The university said it can’t release other details because of federal medical care privacy laws.

Jackson was taken up to Buffalo General Medical center the morning hours of Feb. 22. University officials haven’t released information on what happened through the conditioning session.

University at Buffalo participant dies a complete week after medical concernJackson was a redshirt sophomore from Natural stone Mountain, Georgia. He was credited with eight tackles and two sacks in 12 games through the 2015 season.

Buffalo officials say brain instructor Lance Leipold will concern a affirmation from the group when he’s ready.