Peru's government said it is working to ensure that a natural-gas expansion project doesn't affect indigenous communities in the country's south-eastern Amazon region after criticism that it could have a major impact on their well-being... The statements follow the release of a report from the Culture Ministry last month that was strongly critical of plans by the Camisea consortium to expand activities at its Block 88 natural-gas field...The...report last month [says] that an expansion of activities into that zone could have a major impact on those communities, including potentially serious health consequences...The ministry's report, which included more than 80 observations, was revoked a few days later and on Saturday, the deputy minister of intercultural affairs, Paulo Vilca, resigned. Mr. Vilca's resignation was to protest the government's decision to revoke the report, according to newspaper La Republica...The Culture Ministry said Thursday that its decision to revoke the report was because it received new information with more details about the expansion project... [T]he Camisea consortium, Pluspetrol Peru...is also made up of...Hunt Oil...SK Holdings...Tecpetrol SA...Techint Group...Sonatrach Petroleum...[and] Repsol...