GREENWICH - Greenwich police say a Wilton woman faces arson charges for setting her ex-boyfriend's apartment on fire.

Police say they arrested 33-year-old Gina Clemente in Stamford Sunday on an unrelated charge.

The fire happened nearly a year ago on River Road. 

Officials say smoke was billowing from an upstairs window when they arrived.

Police say their investigation determined Clemente intentionally set the fire.