London police are investigating a string of suspicious fires at a Connaught Ave. apartment building.

On Saturday around 9 a.m., police were called to a small fire on the fourth floor of 130 Connaught Ave.

It was put out before fire crews could get to the scene.

Police say this was a case of arson and there have been a number of suspicious fires at this complex recently that have gone unreported.

Police are asking anyone with information to contact them.