The People's Liberation Army Air Force said in a brief post on its official account on the social media site Sina Weibo that authorities were sparing no effort in search and rescue operations.
It did not say what kind of plane was involved or if there were casualties.
The Beijing News said the plane went down in the county of Suiyang. It cited the local government as confirming the location of the crash but had no further details.
An official who answered the phone at the Suiyang government offices said he knew nothing about the crash and referred questions to the government's propaganda departments, where calls went unanswered. Police in Suiyang repeatedly hung up the phone when reached.
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