Investigators are questioning a man in connection with two fires deliberately set early Thursday.

The suspect was arrested at 3:45 a.m. on suspicion of driving under the influence after Salt Lake police officer John Palauni stopped a Mercedes at 300 W. North Temple. The passenger window was broken and a gasoline can was found in the back seat.Salt Lake police said the fires were set at 564 W. 300 North and at 154 Jeremy.

Both fires were set with an accelerant but were extinguished quickly by firefighters before any substantial damage could occur, said Salt Lake Fire Capt. Bill Platt.

Police said the man was arrested after witnesses saw a man setting the fire at 300 North and fleeing in a Mercedes.