Flavio Bolsonaro closes in on Lula in Nexus/BTG poll for Brazil election

SAO PAULO, Aug 3 - Brazilian President Luiz Inacio Lula da Silva and Senator Flavio Bolsonaro are running neck and neck ahead of October's presidential election, a Nexus/BTG Pactual poll showed on Monday, as the right-wing lawmaker narrowed the gap with the leftist incumbent.