A trash compactor sparks a fire in the Bronx — leaving 20 people hurt.

It started just before midnight Friday in the Fordham Manor neighborhood.

The FDNY responded to calls of heavy smoke coming from a residential building on Heath Avenue and West 193rd Street.

It took firefighters about an hour and a half to get the blaze under control.

Several residents were treated for smoke inhilation.

Two firefighters suffered minor injuries.