The unidentified photographer also alleged that he, several other photographers and some fans were pushed around by Bieber's bodyguards in front of a police patrol car, but officers did not intervene, Nunes said.
Police said the officers who witnessed the incident are the subject of an internal investigation, TV Globo reported.
The 19-year-old singer's drawings on the hotel wall are similar to those he made last week in a tunnel in Bogota, Colombia, Brazilian websites reported.
