A fire that damaged three townhomes in Ajax early Monday is being investigated as suspicious.

Emergency crews were called to the area of Rossland Road West and Church Street North around 5:05 a.m., after flames spread through multiple units.

Police said three townhomes were fully engulfed when officers arrived. Firefighters worked to bring the blaze under control while investigators examined the scene.

No injuries have been reported.

The cause of the fire has not been determined. Police are asking anyone with information about the incident to contact authorities.

Update – Policed announced that they have arrested a 24-year-old man, identified as Roshvin Crofton, on September 28. His charges include arson, break and enter, mischief causing more than $5,000 in property damage and breach of probation. Crofton was scheduled to appear in court the following day.

Crofton is also facing separate charges related to an alleged arson outside the Toronto residence of Liberal MP Salma Zahid on Aug. 27.