The retired Olympic gymnast, 28, has accused former teammate Simone Biles of bullying, days after the 11-time Olympic medalist apologized to Riley Gaines for comments made during a heated social media debate over transgender athletes.

Olympian and former University of Utah athlete MyKayla Skinner has weighed in on the social-media spat between Simone Biles and Riley Gaines, saying that she was “belittled” and “ostracized” by Biles, her former teammate. She did not offer specifics.

Gymnast MyKayla Skinner claims Simone Biles mistreated her amid a growing feud over Riley Gaines and transgender athletes in sports.