Firefighters say a string of dumpster fires eventually started a building on fire. Crews were called out to Fabricators Unlimited around 3:50 a.m. on Thursday, Sept. 15 in the 800 block of NP Ave. N. for reports of a fire. Officials say it started in a dumpster and then spread to the building, causing additional damage. Firefighters had to block streets around the building to deal with the situation. The fire at Fabricators Unlimited was the second dumpster fire in the early-morning hours. The first was called in around 3:30 a.m. near 12th St. N. and 1st Ave. N. The third was called in around 4 a.m. in the 16 block of 8th St. S. No one was hurt in any of the fire. Fire officials say they’re working with Fargo Police to investigation the fire.