Former Fleetwood Mac guitarist and vocalist Lindsey Buckingham was attacked by a woman in Santa Monica, according to multiple reports. An incident occurred involving Buckingham last Wednesday, March 25, the Los Angeles Police Department confirmed with The Hollywood Reporter . (Multiple reports cite that the event occurred Wednesday, April 1.) “The Los Angeles Police Department, Threat Management Unit, is working with the Santa Monica Police Department to investigate the incident. To protect the integrity of the open and ongoing investigation, no further comment will be provided, at this time,” the LAPD said in a statement shared with THR. According to NBC4 , the Rock and Roll Hall of Famer was arriving to an appointment in Santa Monica when a woman threw an “unknown substance” at him. The outlet also reported that authorities described the woman as a “stalking suspect,” and is known by Buckingham due to past incidents.…