A month ago, she was declared the winner in what was a very close presidential election in the country.
After running three times previously and failing, Fujimori narrowly won the presidential election in June on her fourth attempt.
The right-wing populist and her party have been accused of dividing and polarising political debate in Peru.
Fujimori is the daughter of former Peruvian President Alberto Fujimori - convicted of human rights violations and corruption.
