MONTREAL - Investigators are studying the cause of an aquatic collision between a cargo ship and a tugboat in the city’s port Saturday.

Sometime Saturday a cargo ship called the M / V Heloise, collided with the Ocean Georgie Bain tugboat.

The Bureau of Transportation Safety Board (TSB) is attempting to determine what caused the incident and have dispatched a special team of federal agents to look into the crash.

The Heloise is a 186-metre cargo ship built in 2010, it flies the Panamanian flag. 

There was no word on injures but emergency services were not required.