A helicopter crashed into the Han River near Gangdong Bridge on Saturday, leaving one dead and two injured.<br /> Firefighting authorities rescued the two pilots, but a mechanic on-board was found dead over an hour after the chopper crashed.<br />The two pilots were transferred to hospital and are said to have minor injuries.<br />Police say the Korea Forest Service helicopter crashed at around 11:20AM local time. <br />The helicopter was on an operation to collect water from the river to put out a fire in the northeastern part of Seoul. <br />