Justin Bieber suffers knee injury during gig

Teen star Justin Bieber injured his knee during his concert Thursday night in Cleveland, Ohio.

"Busted my knee last night in the middle of the show," People magazine quoted him as tweeting.

"Not fun. Finished the show with a sweet limp," he wrote.

But Bieber is "feeling blessed" after a little tender, loving and care (TLC) his mother.

"Knee is swollen today but all good. Spending quality time with @studiomama," he wrote.