Officials in Chelsea, Massachusetts, are warning the public after fraudulent documents threatened some residents with deportation.

The alarming notice, falsely claiming to be from the Department of Homeland Security, targeted immigrants in the city. Police are telling residents it's a scam.

"Evidently, there was some type of fraudulent communication that was put together by someone or some group that went around," said Chelsea Police Chief Brian Kyes.

"That's scary and crazy," said resident Ivis Sanchez.

"It had on the letterhead, said 'Department of Homeland Security,' it said 'Notice of removal,' that you were going to be removed for either crossing the border, staying here beyond legal visitation and so forth, and other reasons," Kyes explained.

Read more: NBC Boston