Hundreds of people gathered in Boston Monday to protest Immigration and Customs Enforcement raids in California and the arrest last week of a major union leader in Los Angeles.

David Huerta, the president of California's SEIU division, was charged with conspiracy to impede on an officer, which faces a maximum sentence of six years if convicted.

David Huerta, a beloved union leader in Los Angeles, is facing a federal criminal charge after his arrest at a worksite immigration raid on Friday where he was serving as a community observer, according to multiple reports.

Federal immigration authorities executed criminal arrest warrants at a Los Angeles business suspected of money laundering and customs fraud prior to downtown protests that turned fiery and stretched into the weekend,

Police declared all of downtown Los Angeles to be an unlawful assembly area and ordered protesters to go home on Sunday night after a third day of violence hit demonstrations against President Donald Trump's immigration policy.