"Looks like Jerry Brown and California are not looking for safety and security along their very porous Border. He cannot come to terms for the National Guard to patrol and protect the Border. The high crime rate will only get higher. Much wanted Wall in San Diego already started!" Trump said in a Twitter message.
In a letter to Homeland Security Secretary Kristjen Nielsen and Defense Secretary James Mattis last week, Brown said he would send 400 members of the California National Guard to the border. But Brown said he would not allow the California National Guard to enforce federal immigration laws but would let them participate in "support operations."
US media reported on Monday that the Trump administration had rejected Brown's terms for the deployment of his National Guard members.
"The governor determined that what we asked for is unsupportable, but we will have other iterations," US Customs and Border Protection's acting deputy commissioner Ronald Vitiello said.
Earlier, US President Donald Trump declared the federal government would ask Governors from border states to deploy between 2,000 and 4,000 National Guard troops to the US-Mexico border to strengthen border patrol agents.