The female driver was not injured.
The army bomb disposal unit were initially called to the scene as it was feared the incident may have been the result of a failed under-car bomb attack.
Speculation on whether or not an under-car bomb had been used to target a member of the security forces was rife until the PSNI issued a statement saying the fire had been caused by a mechanical fault.
The officer is not believed to have been in the auto - thought to be her personal vehicle - at the time.
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The woman officer escaped injury as she was not in the vehicle at the time.
Forensic officers have found no evidence of a booby trap bomb, and now suspect a mechanical malfunction of some kind.
"I understand that a terrorist attack on a police officer in Ballyrobert, Co Antrim has taken place", Paisley said.
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One teacher noted that a manager at a fast food restaurant close to her school makes more money than she does. It was reopened an hour later, and teachers vented their frustration over the lack of progress.
'My concern is for the officer and her family'.
However, the incident is no longer believed to be sinister in nature.
The PSNI spokesman said the main A2 road between Belfast and Bangor had been closed earlier in the morning while an investigation into the incident continued.
Speaking at a Brexit press conference this morning, DUP leader Arlene Foster said the news was "very disturbing".
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United We Dream is advocating for legislation similar to the DREAM Act, which has been shot down by legislators for years. It doesn't seem like there's any other opportunity or window for something to happen.