<span style="color: #222222;">Thousands of Zimbabwe's anti-government demonstrators marched through Harare on Thursday under close surveillance by armed police in the first rally since a deadly crackdown on an election protest in August. </span><br />'' <br />'' <span style="color: #222222;">Singing and waving placards denouncing President Emmerson Mnangagwa's rule, the protesters gathered in the centre of the Zimbabwean capital.</span><br />'' <br />'' <span style="color: #222222;">The event, which was held with police approval, was organised by the main opposition MDC party, which says it was cheated of victory in the July 30 election. In a mass demonstration two days later, six people died when security forces opened fire on the protesters.</span><br />'' <br />'' <span style="color: #222222;">The latest bout of economic strife erupted last month when the government announced a two-per cent tax on all electronic transactions to increase revenue. </span><br />