Fire officials say a fire at a home in Leamington Wednesday is being treated as suspicious.

Leamington fire crews responded to the house fire on Emerson Ave around 3:30 a.m.

Damage to the home is extensive and an early estimate has the value set at $150,000.

The cause of the fire has not been determined.

The Ontario Fire Marshal has been called in to investigate after the fire was deemed suspicious.

The blaze was under control by 5:30 a.m.