Donald Trump recently launched ‘Operation Midway Blitz’ in the city and threatened to send in the National Guard. The mood is febrile, with fears things could get worse

The administration announced a federal operation in the Chicago area more than three weeks ago. Agents have appeared along downtown streets, and National Guard troops are expected.

The Department of Homeland Security said federal agents with Border Patrol, the FBI and the Bureau of Alcohol, Tobacco, Firearms and Explosives arrested 37 people in the raid.

In the aftermath of the Charlie Kirk killing, the Guardian's Oliver Laughland and Tom Silverstone head to Chicago, where Donald Trump's Ice deployment, codename 'Operation Midway…

Donald Trump recently launched ‘Operation Midway Blitz’ in the city and threatened to send in the National Guard. The mood is febrile, with fears things could get worse

Tensions are flaring between federal agents and protesters over increased activity by ICE officers cracking down on immigrants.

Illinois governor JB Pritzker calls move unnecessary and ‘a manufactured performance’ – key US politics stories from 4 October at a glance