According to this article, a “Chinese military expert” said that two carriers were in the area. ...interesting propaganda efforts, by the way.
North Korea’s failed missile launch premeditated?
By Eom Da-sol
Korea Times
http://www.koreatimes.co.kr/www/nation/2017/04/103_227698.html
Everybody tries to give the best spin to yesterday’s launch failure. Chinese occasionally put out the most colorful and conspiratorial one.