Tensions continued over the weekend in Minneapolis, as protesters clashed in the streets with law enforcement, following the second shooting there in about a week involving a federal officer.

The Justice Department on Tuesday issued subpoenas to several Minnesota officials, beginning an investigation into whether those people obstructed federal immigration operations in the state.

Federal prosecutors served grand jury subpoenas Tuesday to Minnesota Gov. Tim Walz’s office and five other officials in the state as part of an investigation into whether they obstructed or impeded la...