The status of injured UNC point guard Ty Lawson won't be known until Wednesday afternoon or later, according to a press release from Steve Kirschner, associate director of athletics for communications.
North Carolina plays No. 2 ranked Duke at the Smith Center at 9 p.m. Wednesday.
Lawson did not participate in the team's practice on Tuesday afternoon, but did light shooting on his own, according to the release.
He sprained his ankle during Sunday's win against Florida State.
