A booking record from the East Baton Rouge Sheriff's Office confirms that Mckesson was arrested. He was being held at the East Baton Rouge Parish jail, according to records.
And The Associated Press reported that Baton Rouge Police Department spokesman Cpl L'Jean McKneely told The Advocate newspaper that Mckesson was arrested Saturday night.
Mckesson was filming video of the protest and walking alongside Airline Highway when he was arrested. According to Mckesson, he was charged with obstruction of a roadway.
Upon his release, Mckesson said Baton Rouge Police were provoking peaceful protesters. He was among hundreds of individuals protesting against the shooting death Tuesday by police of 37-year-old Alton Sterling.
Mckesson said he remains hopeful that the Justice Department will intervene both investigation into the death of Alton Sterling and the way police treat protesters.
ABC News' Devin Villacis contributed to this report.