An armed man was detained at Donald Trump's golf course in California, prompting a security investigation. The arrest occurred shortly before a scheduled visit by the U.S. President, raising concerns about potential threats. Authorities are currently investigating the individual’s motives and reasons for being present near the event location. Details regarding the type of weapon possessed by the man have not yet been released. The Secret Service is likely involved in the investigation, given the proximity to the presidential visit. This incident has heightened security measures at the golf course and surrounding areas. No injuries have been reported at this time.