Singer Joe Elliott during the presentation of English band Def Leppard, during a show at Palco Mundo, on the fourth day of the music festival, Rock in Rio, last night, 21, at Parque Olimpico in Barra da Tijuca, during a concert at Palco Mundo on the fourth day of the music festival, Rock in Rio, last night at Parque Olimpico in Barra da Tijuca, west of Rio de Janeiro. Photo: FABIO MOTTA/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Singer Joe Elliott during the presentation of English band Def Leppard, during a show at Palco Mundo, on the fourth day of the music festival, Rock in Rio, last night, 21, at Parque Olimpico in Barra da Tijuca, during a concert at Palco Mundo on the fourth day of the music festival, Rock in Rio, last night at Parque Olimpico in Barra da Tijuca, west of Rio de Janeiro. Photo: FABIO MOTTA/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Musicians Steven Tyler and Joe Perry of Aerosmith during a concert at Palco Mundo on the fourth day of the music festival, Rock in Rio, last night at Parque Olimpico in Barra da Tijuca, west of Rio de Janeiro. Photo: FABIO MOTTA/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Musicians Steven Tyler and Joe Perry of Aerosmith during a concert at Palco Mundo on the fourth day of the music festival, Rock in Rio, last night at Parque Olimpico in Barra da Tijuca, west of Rio de Janeiro. Photo: FABIO MOTTA/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Singer Joe Elliott during the presentation of English band Def Leppard, during a show at Palco Mundo, on the fourth day of the music festival, Rock in Rio, last night, 21, at Parque Olimpico in Barra da Tijuca, during a concert at Palco Mundo on the fourth day of the music festival, Rock in Rio, last night at Parque Olimpico in Barra da Tijuca, west of Rio de Janeiro. Photo: FABIO MOTTA/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Musicians Steven Tyler and Joe Perry of Aerosmith during a concert at Palco Mundo on the fourth day of the music festival, Rock in Rio, last night at Parque Olimpico in Barra da Tijuca, west of Rio de Janeiro. Photo: FABIO MOTTA/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Musician Steven Tyler of Aerosmith during a concert at Palco Mundo on the fourth day of the music festival, Rock in Rio, last night at Parque Olimpico in Barra da Tijuca, west of Rio de Janeiro. Photo: FABIO MOTTA/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Musician Steven Tyler of Aerosmith during a concert at Palco Mundo on the fourth day of the music festival, Rock in Rio, last night at Parque Olimpico in Barra da Tijuca, west of Rio de Janeiro. Photo: FABIO MOTTA/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Musicians Steven Tyler and Joe Perry of Aerosmith during a concert at Palco Mundo on the fourth day of the music festival, Rock in Rio, last night at Parque Olimpico in Barra da Tijuca, west of Rio de Janeiro. Photo: FABIO MOTTA/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Musician Steven Tyler of Aerosmith during a concert at Palco Mundo on the fourth day of the music festival, Rock in Rio, last night at Parque Olimpico in Barra da Tijuca, west of Rio de Janeiro. Photo: FABIO MOTTA/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Movement of military police and residents during the fifth consecutive day of operation of Special Operations Battalion in favela of Rocinha, south zone of Rio de Janeiro, on Friday, 22. The community went through an intense firefight this morning. Around 10 o'clock, the municipality blocked the Lagoa-Barra road and closed the Rafael Mascarenhas tunnel, both ways. The Police makes an on-site operation, with the participation of the Shock Battalion. Public and private schools that remain in the region have closed. Photo: WILTON JUNIOR/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Movement of military police and residents during the fifth consecutive day of operation of Special Operations Battalion in favela of Rocinha, south zone of Rio de Janeiro, on Friday, 22. The community went through an intense firefight this morning. Around 10 o'clock, the municipality blocked the Lagoa-Barra road and closed the Rafael Mascarenhas tunnel, both ways. The Police makes an on-site operation, with the participation of the Shock Battalion. Public and private schools that remain in the region have closed. Photo: WILTON JUNIOR/ESTADAO CONTEUDO (Agencia Estado via AP Images)

Movement of military police and residents during the fifth consecutive day of operation of Special Operations Battalion in favela of Rocinha, south zone of Rio de Janeiro, on Friday, 22. The community went through an intense firefight this morning. Around 10 o'clock, the municipality blocked the Lagoa-Barra road and closed the Rafael Mascarenhas tunnel, both ways. The Police makes an on-site operation, with the participation of the Shock Battalion. Public and private schools that remain in the region have closed. Photo: WILTON JUNIOR/ESTADAO CONTEUDO (Agencia Estado via AP Images)

RJ - VIOL'NCIA/RIO/ROCINHA - GERAL - Movimenta''o de policiais militares e moradores durante o quinto dia consecutivo de opera''o do Batalh'o de Opera''es Especiais (Bope) na Favela da Rocinha, na zona sul do Rio de Janeiro, nesta sexta-feira, 22. A comunidade passou por um intenso tiroteio esta manh'. Por volta das 10h, a prefeitura bloqueou a estrada Lagoa-Barra e fechou o t'nel Rafael Mascarenhas, nos dois sentidos. A Pol'cia faz opera''o no local, com participa''o do Batalh'o de Choque. Col'gios p'blicos e particulares que ficam na regi'o fecharam. 22/09/2017 - Foto: WILTON JUNIOR/ESTAD'O CONTE'DO (Agencia Estado via AP Images)

Movement of military police and residents during the fifth consecutive day of operation of Special Operations Battalion in favela of Rocinha, south zone of Rio de Janeiro, on Friday, 22. The community went through an intense firefight this morning. Around 10 o'clock, the municipality blocked the Lagoa-Barra road and closed the Rafael Mascarenhas tunnel, both ways. The Police makes an on-site operation, with the participation of the Shock Battalion. Public and private schools that remain in the region have closed. Photo: WILTON JUNIOR/ESTADAO CONTEUDO (Agencia Estado via AP Images)