Officers took the 44-year-old man into custody Friday at his home in the 100 block of South 11th Avenue. YPD has not released his name but says it had previously brought the man in for questioning about the fires on Thursday.
Authorities say the suspect is being investigated in connection with multiple suspicious fires set between Jan. 29 and Apr. 9.
He was booked into Yakima County Jail on multiple counts of arson.