 This WHIO's Will Harris, the suspect, was taken to the Miami Valley Hospital. Ohio BCI is now looking into the incident. A 20-year-old man is arrested in a standoff overnight in connection with a fire at Piqua High School. Grady Edgerton finally surrendered from a home on Jill Court after nearly five hours. Cops say the fire was started by an explosive device Monday evening. The blast blew out windows and doors. Edgerton facing several charges, including arson and vandalism.