GENEVA (AP) – U.N. experts say residents of Flint, Michigan, may have had their human rights violated because of a lack of regular access to safe drinking water over the last two years.

Three experts working with the U.N. human rights office in Geneva called on authorities Tuesday to “map out a human rights complaint strategy” to make sure other parts of the U.S. don’t face events like Flint’s water crisis.

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President Barack Obama will visit the city, which is grappling with effects of a lead-contaminated water supply, on Wednesday.

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Philip Alston, the U.N. special rapporteur on extreme poverty and human rights, decried the “high-handed and cavalier manner” in which decisions were made in Flint, alleging such choices wouldn’t have been made if its population “was well-off or overwhelmingly white.”

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