"Sometimes I wish the cruiser played ‘Move B---h, Get Out The Way,’ instead of using sirens," said the full tweet, complete with several emoji app icons depicting a police car, stereo speaker and music notes.
Acting Insp. Chris Barry said the Twitter account may be linked to a member of the Belleville Police Service.
The comment was posted by "The Copper" from the account "@BPS_Finest."
"These comments have since been removed and an internal investigation has been launched to determine who was responsible for them," Barry said in a statement posted on the police service's web site.
Officers with the Belleville Police Service posting information through social media are governed by both BPS policies and procedures as well as the Police Services Act, even when off duty.
A breach of either of these can result in penalties ranging from verbal or written reprimands to dismissal from the police service depending on the severity of the incidents, Barry said.
BPS said no further information will be released pending the results of the investigation.