Brazil's Flavio Bolsonaro, Lula tied in runoff scenario, Atlas poll shows

SAO PAULO, Sept 17 - Brazilian Senator Flavio Bolsonaro and President Luiz Inacio Lula da Silva remain statistically tied in a simulated runoff ahead of next month's election, an AtlasIntel/Bloomberg poll showed on Thursday, with the right-wing challenger holding a narrow lead within the survey's margin of error.