Bones that appeared to be human were found on Tuesday morning in a molten steel pot at a Nippon Steel Corp. plant in southwestern Japan, police said.A 30-year-old employee, who started his shift at the plant in Oita Prefecture at around 7 p.m. on Monday, was reported missing by security staff at around 7 a.m. Tuesday, according to the police.The pot measures about 5 meters in diameter with a depth of about 4 meters. Temperatures inside the container reach more than 1,000 C.Related coverage:Snake on train causes commotion in Tokyo, none hurtREAD FULL ARTICLE