Humala supporters celebrate in Lima (5 June 2011)

Exit polls in Peru’s presidential election indicate leftist Ollanta Humala has a narrow lead over right-winger Keiko Fujimori in the run-off.

The polls suggested a lead of about 5% for Mr Humala, a one-time ally of Venezuela’s Hugo Chavez.

Ms Fujimori is the daughter of jailed ex-president Alberto Fujimori.

The two candidates are at opposite ends of the political spectrum – a fact that worried some Peruvians who said they would not vote for either of