The Royal Canadian Mounted Police have arrested a suspect, but are still searching for a missing 2-year-old girl whose father was found dead inside a home in southwestern Alberta.

Police said Terry Blanchette, 27, was founded dead in a suspected homicide Monday morning in a home in Blairmore, Alberta, and his daughter, Hailey Dunbar-Blanchette has not been seen since.

Supt. Tony Hamori says a 22-year-old man was arrested, but no charges have been laid. RCMP have also found a white van associated with the investigation. The girl is still missing.

Police issued an Amber Alert Monday for Hailey and expanded it to British Columbia, Saskatchewan and Montana.

Hailey's mother rushed from her home in Edmonton, Alberta, to be with relatives near her former boyfriend's home.