Several Chinese news sources have indicated that CX and KA union staffs are collecting signatures and might be joining the anti-Extradition Law strike tomorrow (12JUN). The only English source I found is
Airline workers in HK gather online support for strikes - The Standard. Some Chinese sources include
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https://www.hk01.com/社會新聞/339235/逃犯條...32631;工, and
https://www2.hkej.com/instantnews/cu...32631;工. Some sources seem to limit the scale only to union offices, but others seem to indicate that FA may join if there are enough signatures.