?A runaway motorboat whose operator had fallen overboard crashed into a sailboat Sunday on the Connecticut River and killed one of four people who were on the sailboat. The motorboat operator, Gregory Siege, 44, of Madison, was arrested shortly after the 3:50 p.m. accident and charged with first-degree reckless operation of a vessel while intoxicated by alcohol and or drugs. The four people aboard the sailboat were tossed into the river during the accident but were quickly taken out of the water. The three who survived were taken to a hospital in New Haven for treatment.?