U.S. Sen. Susan Collins said early Thursday that the U.S. Department of Homeland Security has ended its enhanced immigration operation in the state of Maine. The Republican senator said she had several “direct conversations” with Homeland Security Secretary Kristi Noem since the agency launched its operation over a week ago, which comes after she’d received no information from the agency at the start of its heightened presence. While not saying when the operation ended, Collins said in a statement, “There are currently no ongoing or planned large-scale ICE operations here.” It is unclear how U.S. Immigration and Customs Enforcement activity...