Minnesota officials say the FBI has blocked their access to an investigation into the fatal shooting of a woman by a US Immigration and Customs Enforcement (ICE) agent.
People have taken to the streets of Minneapolis to protest the killing of 37-year-old Renee Good, who died after being shot in her car.
Minnesota Governor Tim Walz has accused the Trump administration of blocking state officials from involvement in the case, but the US vice-president said the investigation is a federal issue.
Officials have offered differing accounts of the incident, with the Trump administration claiming the ICE agent was acting in self defence, while local officials say the woman posed no danger.
Homeland Security Secretary Kristi Noem has claimed the ICE agent shot Good multiple times because she was trying to run over the officer in her car.
The US Federal Bureau of Investigation said it would investigate the incident.