The split illustrates deep political polarisation in the South American country. With over 90% of the votes counted in Peru's runoff presidential election, right-wing conservative candidate Keiko Fujimori and left-wing politician Roberto Sanchez are in a neck-and-neck race. Key points and original sources are listed below.

• The split illustrates deep political polarisation in the South American country.S1

• With over 90% of the votes counted in Peru's runoff presidential election, right-wing conservative candidate Keiko Fujimori and left-wing politician Roberto Sanchez are in a neck-and-neck race.S2

• Results too close to call as rightwing autocrat’s daughter vies with leftist lawmakerS3