(CNN) — In the quiet village of Mount Prospect, nestled just northwest of Chicago’s city limits, residents were sheltering from the cold and rain on a sleepy Sunday afternoon watching TV, scrolling through social media and enjoying midday coffee at home.

As rain pattered against windows, and trees lining the streets swayed, flurries of urgent texts began ricocheting from one end of the neighborhood to the other, and panic set in as some residents put on their shoes and hurried out the door.

“ICE IS HERE,” one text between Mount Prospect neighbors said.

“F**king helicopters. Ice at Owen Park,” read another. “On our way,” one neighbor replied.

The historic suburb quickly devolved into a scene that has become familiar to places like nearby Chicago and elsewhere across the country as

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