By Lisandra Paraguassu and Gabriel Stargardter SAO PAULO (Reuters) -Brazilian President Jair Bolsonaro took an early lead over former president Luiz Inacio Lula da Silva on Sunday in a tense runoff election marred by accusations from Lula’s leftist Workers Party that police suppressed the vote in some regions. The initial vote tally showed Bolsonaro with 51.5% of votes compared with 48.5% for Lula with 20.8% of voting machines counted, although the Workers Party tends to be stronger in regions that are slower to report results. Lula allies on Sunday said police had stopped buses carrying voter…