A 23-year-old man was critically injured Sunday night, when he fell from the bed of a moving pickup truck. The accident happened at about 7:45 p.m. on Kula Highway south of Kealakapu Road on Maui. Police say the man climbed out of the cab of a Toyota Tacoma truck through the rear sliding window into the bed of the truck and fell out of the truck while it was moving. He was taken to Maui Memorial Medical Center in critical condition with life-threatening injuries. The driver was not injured.