The mayor cannot stop federal authorities from making arrests, Newsom told about 300 mostly Latino members of St. Peter's Church and other religious groups supporting immigrants. But
he said he would work with the federal government to ensure that the arrests are carried out in a way that respects the rights of immigrants.

"We will not allow the Trump administration to use our immigrant communities as a political football," Newsom said.

The arrests come as the Trump administration has stepped up its