Charlotte's Mayor Jennifer Roberts speaks to reporters the morning after protests against the police shooting of Keith Scott, in Charlotte, North Carolina, U.S. September 21, 2016. REUTERS/Jason Miczek

A woman expresses her frustration toward the media at a press conference held at The Village at College Downs apartment complex the morning after the police shooting of Keith Scott, in Charlotte, North Carolina, U.S. September 21, 2016. REUTERS/Jason Miczek

Campaigners pose on a 'Stop Trump' open-top double decker bus before touring London to urge Americans living abroad to register and vote, Britain September 21, 2016. REUTERS/Stefan Wermuth

A woman sits in a 'Stop Trump' open-top double decker bus before touring London to urge Americans living abroad to register and vote, Britain September 21, 2016. REUTERS/Stefan Wermuth

Campaigners hold placards on a 'Stop Trump' open-top double decker bus before touring London to urge Americans living abroad to register and vote, Britain September 21, 2016. REUTERS/Stefan Wermuth

Campaigners hold placards on a 'Stop Trump' open-top double decker bus before touring London to urge Americans living abroad to register and vote, Britain September 21, 2016. REUTERS/Stefan Wermuth

President Michel Temer of Brazil addresses the 71st United Nations General Assembly in Manhattan, New York, U.S. September 20, 2016. REUTERS/Carlo Allegri

A campaigner attaches American flags to a 'Stop Trump' open-top double decker bus before touring London to urge Americans living abroad to register and vote, Britain September 21, 2016. REUTERS/Stefan Wermuth