New Delhi, April 25 -- Police in Peru raided the homes Friday of the now-resigned elections chief and five other officials in an investigation into a ballot shortage and other irregularities in the first round of the presidential election on April 12.

Agents and prosecutors also raided the home of the legal representative of Galaga, a private company responsible for transporting election ballots to voting centers, anti-corruption police said on social media. Agents gathered mobile phones, documents and other evidence in the raids, police said.

Piero Corvetto resigned as the elections agency chief on Tuesday to take responsibility for the election shortcomings, and said in a letter to authorities that he was stepping down to "generate mo...