attacks. >> reporter: the world leader head home to confront their bulging deficits. they'll sit down again at the next g-20 meeting set for november in south korea. now the other view of this summit here in toronto, protesters. some got violent, many were arrested. for more on that, here's my colleague, jean mazur. >> reporter: despite a heavy rain and descending dark not, police and protesters faced off on the streets of toronto into the evening, continuing the confrontation that had begun in the afternoon. [ chanting ] ♪ >> reporter: police hemmed in a group of demonstrators and unmoved by the canadian national anthem moved forcefully to chlorothem out of the streets. here the police detained dozens, and some resisted. in the course of the day, police took hundreds into custody. police stopped young people on the streets, checking bags for