Hotel / Motel, Hotel / Restaurant Duluth, GA – Sprinkler system extinguishes overnight fire at Hilton Garden Inn March 9, 2015 viking210 A basket of rags caught fire in the kitchen of a Gwinnett County hotel Monday morning. The hotel’s sprinkler system extinguished the flames, which broke out at around 2:30 a.m. at the Hilton Garden Inn in the 2000 block of Sugarloaf Circle. Gwinnett County Fire Lt. Jerrod Barrett said the fire started in a basket of cooking oil rags. About 60 guests and hotel staff members were briefly evacuated from the building while firefighters investigated the source of the fire. Barrett said the guests were soon able to return to their rooms. Investigators believe the fire was caused by spontaneous combustion of the rags in their plastic cart.