According to local TV station KSAZ, A man was seen engulfed in flames outside a Phoenix restaurant near 35th Avenue and Glendale on Thursday night.
The unidentified man was hospitalized in critical condition with burns to 80 percent of his body and now police are investigating how or why he was on fire Thursday evening.
Sgt. Trent Crump says the incident started when bystanders heard the man screaming.
Some ran into a nearby Arby’s restaurant for help, and manager Lindsay Riedlinger grabbed a fire extinguisher that she then used to spray the man.
Riedlinger says the man had a blank look his face and appeared to be in shock. She says he then got up and went into a nearby Taco Bell to get some water.
She followed the still-smoldering man into the restaurant until police and paramedics arrived.
According to AZCentral, the man would not tell officials how the fire started. Phoenix police are investigating.