U.S. President Donald Trump can keep his deployment of National Guard troops in Los Angeles, according to a court ruling, as protests against immigration raids look set to enter their second week in the strongest backlash since his return to power in January.

The National Guard in Los Angeles has detained anti-ICE protesters while providing security for immigration operations, with officials expecting protests to escalate.

The appeals court issued its pause just hours after Judge Charles Breyer wrote that Trump’s “actions were illegal." The 9th Circuit Court of Appeals will hear the case on June 17.

Los Angeles endured a sixth day of protests that have been largely peaceful but occasionally punctuated by violence.

Hundreds of demonstrators have been arrested in cities across the country in recent days as they protest the Trump administration’s immigration crackdown and the deployment of National Guard troops and U.