PARIS, March 19 (Reuters) - French hotel group Accor ACCP.PA on Thursday denied any involvement in alleged systemic exploitation and child trafficking made in a report by short-seller Grizzly Research.

"The group is conducting a detailed internal investigation and has hired an external firm to verify the cited facts. The conclusions of these verifications will be made public," Accor said in a statement.

"Should any of these allegations be confirmed, the Group would take all appropriate measures and reserve the right to prosecute parties involved in such practices," it added.