North Carolina's furious comeback against Duke in the ACC Tournament semifinals came up short after Jae'lyn Withers committed a lane violation on teammate Ven-Allen Lubin's successful second free throw attempt — which had it counted,

Kon Knueppel scored 17 points and No. 1 Duke held off a furious second half rally by North Carolina to beat its rival for the third time this season, 74-71 on Friday night to reach the Atlantic Coast Conference Tournament championship game.

North Carolina just blew its shot at the ACC Tournament championship game in perhaps the worst way possible. With just 4.1 seconds left in the semifinal matchup against No. 1 seed Duke on Friday, UNC was called for a lane violation on a potential game-tying free throw.

Check out our Duke vs. North Carolina how to watch guide to learn when they play and what free live streams are available ahead of the college basketball tipoff.

"I was not in the room for any of that." Chairman of the NCAA Men's Basketball Selection Committee and UNC athletic director Bubba Cunningham explained the process behind the Tar Heels getting into the tournament. pic.twitter.com/vAD7qu4s3F