Peruvian presidential candidate Keiko Fujimori, daughter of jailed ex-leader Alberto Fujimori, has managed to maintain a lead over former economy minister Pedro Pablo Kuczynski ahead of Sunday's election, in spite of the demonstrations that have plagued her campaign. But with the anti-Keiko vote rallying around former Wall Street banker Kuczynski, her popularity among poor rural communities may not be enough to see her named Peru's first female president.