Sarnia police confirm they're investigating an alleged assault at the rally in support of Mayor Mike Bradley Friday.
Constable Nelson Amaral says while the event at city hall was well received, it did not end without incident. He says there was an allegation of an assault that is currently under investigation by the city police service.
Further information is not being released at this time.
Police are asking anyone with information to contact the Criminal Investigation Division at 519-344-8861 ext. 6191.