Brianna McNeal, Olympic hurdles champ, provisionally suspended

Brianna McNeal, the Rio Olympic 100m hurdles champion, was provisionally suspended after being charged with tampering with part of a doping control process.

The Athletics Integrity Unit, which handles anti-doping cases in track and field, announced the ban on Thursday.

Provisional suspensions can be issued while awaiting a hearing on charges to determine an official punishment, if any.

McNeal, 29, led a U.S. medals sweep of the 100m hurdles in Rio.

She missed the 2017 World Championships while serving a one-year ban in a strange case of missing three drug tests in a 12-month span. An arbitration panel believed that Rollins was a clean athlete, showing “no evidence of avoiding testing, masking…