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FAYETTEVILLE, Ark. — Arkansas football coach Bobby Petrino has been put on paid administrative leave.

Athletic director Jeff Long announced the decision late Thursday, capping a stunning day in which it was revealed that Petrino had a 25-year-old female employee with him during a weekend motorcycle ride that ended in a crash.

A police report released Thursday showed that he had been riding with former Arkansas volleyball player and current Razorback Foundation fundraiser Jessica Dorrell.

She was not injured in Sunday’s accident. Petrino broke four ribs and cracked a neck vertebra, but didn’t reveal he was riding with the woman during a news conference Tuesday.

Long says he wasn’t told until Thursday that Dorrell was on the ride with Petrino.

Petrino explained what happened in a statement released Thursday night.

My concern was to protect my family and a previous inappropriate relationship from becoming public. In hindsight, I showed a serious mistake in judgment when I chose not to be more specific about those details. Today, I’ve acknowledged this previous inappropriate relationship with my family and those within the athletic department administration.

Petrino apologized to his family, university staff, the state of Arkansas and Arkansas fans in the statement.

Information from the Associated Press was used in this report.