An unidentified plane has crashed to the ground and exploded in eastern China, state media reports, but the accident remains shrouded in mystery and potential casualties remain unknown.

一架身份不明的飞机坠落到中国东部地区的地面，中国国家媒体报道其发生了爆炸，但事故仍然笼罩在神秘之中，潜在的伤亡目前仍然不明。

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State television quotes an unidentified witness as saying the plane suddenly fell from the sky and exploded on impact, causing a huge crater.

伊朗国家电视台引述一个没有透露身份的目击者的话说，飞机突然从空中坠落，与地面撞击时爆炸，并在地面撞出一个大坑。

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Russia's RIA Novosti news agency, quoting an unidentified source, said the plane likely crashed because of a technical malfunction or pilot error.

俄罗斯的俄新社引述一个没有公布身份的消息来源的话说，飞机坠毁的原因可能是技术故障或者是飞行员操作失误所致。

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One, Debra Burlingame, whose brother was the pilot of the American Airlines plane that hit the Pentagon, said unidentified remains from those killed there were buried at an Arlington National Cemetery ceremony in September 2002.

WSJ: Claims That Sept. 11 Remains Were Buried in Landfill are Challenged