He announced that the Justice Department is suing California to block the state's sanctuary laws that limit cooperation with federal immigration authorities. California voters supported Hillary Clinton by a almost 2-to-1 margin in 2016.
The scene was quiet on both sides of the border Tuesday morning as Trump flew to San Diego.
"You see in California we are focusing on bridges, not walls", Brown said.
It's only the latest legal battle between California and the Trump administration. The LAPD's street-closure plan is tight downtown, especially near the Wilshire Grand Hotel, which told tenants and guests today that a high-security VIP was expected at the hotel, according to the Los Angeles Times. But emphasizing that with a visit could inspire his political base, here and elsewhere.
Protesters rally to oppose President Donald Trump's border wall ahead of his visit to California Tuesday.
Later Tuesday, the president was set to deliver a speech at Marine Corps Air Station Miramar before flying to Los Angeles and attending a Republican fundraiser at a private residence. Donors can contribute up to $250,000 to the RNC and Trump's re-election effort.
Several dozen protesters are demonstrating in San Diego outside the nation's busiest border crossing against President Donald Trump and his plans to build more towering barriers on the U.S. -Mexico border.
Trump, for his part, said "sanctuary jurisdictions are the best friend of smugglers, gang members, drug dealers, human traffickers, killers and other violent offenders".
Is he golfing in California?
Trump's official travel schedule following his arrival was not released.
Trump's relationship with California has been rocky from the start.
When the Orange County Register asked 11 GOP candidates to rank Trump's performance only four agreed, the rest declining to respond or saying it was too early in his tenure.
Seeking to capitalize on pledges to focus on the nation's infrastructure, California Gov. In fact, these laws simply ensure that state actors comply with the U.S. Constitution and that local law enforcement's limited resources are not co-opted for federal immigration enforcement purposes except in certain circumstances.
The two sides were separated by a heavy presence of police officers in helmets and riot gear, but the rallies were peaceful.
Trump, making his first trip to California as president, said he preferred a fully concrete wall because it was the hardest to climb, but he noted that it needed to be see-through. Jerry Brown likened it to "an act of war".
Besides the border wall, California has unleashed fierce attacks at the federal government for its stances on climate change and offshore drilling.
There's plenty of opportunity to protest Trump, but you need to be in Southern California to join the action.
KIrk pointed out that numerous lawsuits against Trump have originated in California, the state is intentionally harboring illegal immigrant criminals and the mayor of Oakland even issued a public warning about impending Immigration and Customs Enforcement (ICE) raids.
A larger "Trump Not Welcome in L.A." rally is being planned for Beverly Gardens Park, possibly on Trump's drive-by route.
Another gathering organized by the political organization Union del Barrio begins in San Diego at 5 p.m. Monday at the Edward J. Schwartz Federal Building. The protest's Facebook page now lists the start time as 5 PM, though the president's plans remain so unpublicized that the rally's start time has been modified on the page throughout the day.