TOKYO (Reuters) - A man died after being sucked into the engine of an Air China aircraft at Kansai airport in western Japan Thursday and police said it may have been suicide. Police said colleagues saw Zhang Xinmin, a 39-year old Chinese member of the airline's maintenance staff, chase after the Boeing 767 as it began to taxi toward the runway for take-off. "It is possible he may have committed suicide, or he may have been running toward the engine for some other reason and was sucked in. We are investigating both possibilities," said a spokesman for the airport police....