VIDEO: Authorities say a man's body was found Monday while officials were investigating a string of fires in Puyallup. Puyallup Police said a series of explosions were reported at about 5:45 p.m. on the Riverwalk Trail near East Main Avenue. Three separate fires were found in the area, and a man's body was located at one of the fires. Officials say the man's death is considered suspicious but it's unclear if it was connected to the fires. A helicopter was being used to search the area, Puyallup Police said on Twitter.