A 7-year-old boy has been critically injured after a boat propeller accident on an Upstate New York lake.WROC reports the child was riding on a pontoon boat with his family on Canandaigua Lake when a wave propelled him out of the moving boat. He landed in front of it, between two pontoons as the boa t passed over him; the propeller lacerated his leg, causing a critical injury. ...read more read less