SAN FRANCISCO (AP) – Hundreds of people are inundating a California mayor’s office with angry phone calls, some accusing her of treason, after she warned residents of upcoming immigration raids.

A spokesman for Oakland Mayor Libby Schaaf said Monday the calls and social media messages are largely from out of state and say she should be removed from office.

READ MORE: Police Searching For Missing Belmont Teen With Mental Health Issues

Spokesman Justin Berton said the messages include threats of physical harm and derogatory comments about her gender. Police are monitoring.

READ MORE: COVID: FDA Expected To Authorize Mixing Moderna, Johnson & Johnson Booster Shots

California and the city of Oakland are sanctuary entities that severely limit local cooperation with federal immigration authorities.

The mayor’s warning marks the latest escalation of tensions between California officials and the Trump administration.

MORE NEWS: UPDATE: Mystery Hero Rescues Man Trapped In Burning Building In San Francisco

© Copyright 2018 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.