CHANGCHUN, July 5 (Xinhua) -- A Republic of Korea (ROK) official who arrived in northeast China to handle the aftermath of a deadly bus accident suspectedly killed himself early Sunday morning, local authorities said.

Choi Doo Yeong, president of Local Government Officials Development Institute of the ROK, fell from his hotel room in Ji'an City in Jilin Province at about 3 a.m., said Guo Yuanqiang, vice head of the city's public security bureau.

Guo said police investigation ruled out the possibility of murder and inferred that Choi had committed suicide.

Choi came to China with Chung Chae-gun, vice minister with ROK's Ministry of Government Administration and Home Affairs, to deal with a bus crash that killed ten ROK nationals.

A bus, carrying 26 ROK tourists and a Chinese tour guide, fell off a bridge on Wednesday afternoon in Ji'an. Eleven people, including 10 ROK passengers and the Chinese driver, were killed. The injured are still receiving treatment.

Bodies of the ten victims will be sent back to ROK via chartered flight on Monday, local officials said.