Taiwan did not shot down the Chinese Jet as it is reported widely in the media. It has been reported in the media that the Air Defence system of Taiwan has shot down a Sukoi Chinese Jet when it intruded the airspace.
However, Taiwan government has denounced this malicious information and called it fake news. In an official statement, the government quickly pointed out that Taiwan did not shot down the Chinese Jet.
The twitter is trending with #Taiwan after the news emerged. Many have commented and retweeted the news. Even many top media channels have reported that Taiwan has shot down the jet as it entered the air space.
Here is the official communication from Taiwan.