A 29 year old woman is facing arson charges after four small fires were set overnight. Around 2:50 this morning (wed), patrol officers came across a fire burning in a garbage can on the 600 block of 20th Street West. Another small fire was burning on the ground nearby. Police allege that the officers then witnessed a woman at Avenue F and 20th Street lighting two more fires in garbage cans. She was arrested and is facing four counts of arson. There were no injuries in any of the incidents.