FORT WORTH An off-duty Fort Worth police officer was arrested Wednesday on suspicion of driving while intoxicated after a minor wreck in south Fort Worth.Officer Brian S. Blue was driving his personal vehicle when the wreck occurred on the service road in the 4500 block of the South Freeway, police said.No injuries were reported, according to Sgt. Kelly Peel, a police spokesman.Peel said Blue was arrested at the scene. Toxicology results are pending, he said.It was unclear whether police suspect Blue was under the influence of alcohol or another substance.Blue had been on restricted duty at the time of his arrest, but Peel said Thursday that he could not comment on the reason.Internal and criminal investigations were begun on another two Fort Worth officers this month over allegations of intoxication. Officer B.A. Leboeuf was arrested by a game warden while boating on Eagle Mountain Lake on June 8 and faces charges of boating while intoxicated and endangering a child. Leboeuf resigned from the department Wednesday, Peel confirmed.Officer Rochon Nichols and his wife were injured in a motorcycle wreck in Arlington on June 7. Arlington police say they suspect Nichols was drinking and are awaiting the results of blood tests to determine whether charges will be sought, Arlington police spokeswoman Tiara Ellis Richard said.Peel said the internal investigations in both officers’ cases continued Thursday and “will be worked to their conclusion.”“It is at that time a determination will be made regarding their law enforcement certification status,” Peel said.