PORTLAND, Maine (AP) — Gov. Janet Mills on Thursday challenged federal immigration officials to provide arrest warrants, real-time arrest numbers and basic information about who is being detained in a sweeping enforcement operation in Maine, saying the state has been left largely in the dark as fear spreads through immigrant communities.

Maine has the lowest violent crime rate in the nation, and yet, ICE is targeting 1,400 people across the state in "Operation Catch of the Day."

Portland City Council member Pious Ali, a native of Ghana, said there's much anxiety about ICE's presence in Maine's largest city.

Anna Welch, director of the Refugee and Human Rights Clinic at the University of Maine School of Law, said what she's seeing so far in Maine fits with national trends. Over the last few months, the vast majority of newly-detained immigrants have no criminal record, according to researchers analyzing ICE data.

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The man is in the country on a work visa after receiving a master’s degree at UMaine, his colleagues said.