STOCKTON — The San Joaquin Delta College Police Department is looking into two fires on campus that it believes were intentionally set.The first fire happened about 8:20 p.m. Feb. 27 inside the first-floor all-gender restroom inside the Shima building. Officers found the paper toilet seat covers, which were attached to the stall, had caught fire and were smoldering.Officers reported they also saw a large clump of burnt toilet protectors in the toilet.