Samantha Ronson’s English bulldog Cadillac, who allegedly attacked and killed another dog last year, has been banned from the City of West Hollywood and RadarOnline.com has exclusively learned if the dog returns to the city it will be “humanely destroyed.”

The DJ and friend of Lindsay Lohan was ordered to permanently remove Cadillac from the city within 10 days of the date January 6, 2011 according to documents exclusively obtained by RadarOnline.com.

EXCLUSIVE DOCUMENTS: Samantha Ronson’s Dog To Be “Humanely Destroyed” If Returned To WeHo

The investigation into Samantha’s dog concluded “the guardian/custodian is unwilling or unable to properly train, handle or maintain the animal within the City of West Hollywood.”