A “deadly labyrinth” trapping civilians who are coming under fire from all sides, is how Amnesty International describes the streets of Raqqa in Syria. The human rights group says that hundreds have been killed and injured as the battle to recapture the self-proclaimed Islamic State’s main stronghold reaches a decisive phase. Its “new report|“https://www.amnesty.org/en/documents/mde24/6945/2017/en/ , based…