As Frontier Communications told regulators Tuesday that it is improving service and mediating customer concerns, the state Attorney General's Office disclosed an investigation into whether the company had violated state consumer-protection laws related to its internet service.
The parallel filings to the Minnesota Public Utilities Commission (PUC) came in response to a scathing report in January from the state Commerce Department that alleged Frontier may have violated 35 Minnesota laws and regulations related to service quality.
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