This year’s Fourth of July holiday resulted in a devastating tragedy in Kent. Three kids suffered critical injuries after they tried to light an unexploded device on their front porch Sunday morning. The home where the accident occurred is on 2nd Ave. N., in Kent’s North Park neighborhood. The three kids are all under 18. Investigators believe the kids found the unexploded device and tried to set it off. “When they lit it, it evidently exploded …