The law enforcement sources told NBC4 Investigates that the suspect is someone who is known to Buckingham due to previous run-ins. No arrests have been reported at press time, tho

Former Fleetwood Mac guitarist Lindsey Buckingham was reportedly attacked and doused with an unknown substance by a stalking suspect in Santa Monica.

Guitarist and vocalist Lindsey Buckingham, a former member of the storied rock band Fleetwood Mac, was attacked by a woman when he showed up for an appointment in Santa Monica, multiple law enforcement sources tell NBC4 Investigates.

Former Fleetwood Mac guitarist Lindsey Buckingham was doused with an unknown substance by a woman described as a "stalking suspect" in Santa Monica, Calif., law enforcement sources told NBC4.

Former Fleetwood Mac member Lindsey Buckingham was attacked by a "stalking suspect" in Santa Monica on Wednesday. (AP)

The former Fleetwood Mac guitarist was on his way into a Santa Monica building when the alleged attack occurred.

Police described the woman as a "stalking suspect", whom Buckingham knows from past incidents, the outlet reported. The woman has since been identified, but no arrests have been made as of Wednesday morning.

Lindsey Buckingham, a former Fleetwood Mac vocalist and guitarist, was reportedly attacked by an alleged stalker in Santa Monica Wednesday. According to NBC4, Buckingham arrived for an appointment when a woman threw an unknown substance at him.