"Sam Rainsy, who currently lives in France, was refused permission to board a Thai Airways flight from Paris to Bangkok on Thursday, while Mu Sochua was briefly detained at Kuala Lumpur International Airport. Upon her release, she was only allowed to remain in Malaysia until next Tuesday.

Prime Minister Prayut Chan-o-cha said on Wednesday he would not allow Sam Rainsy and other CNRP members living abroad to enter Thailand, from where they planned to cross over by land into Cambodia on Saturday."

https://www.bangkokpost.com/thailand/general/1790239/hun-sen-critic-hold...

"Rainsy was barred from boarding Thai Airways International flight TG931 from Paris to Bangkok on Thursday. The airline said his ticket was not valid."

https://www.bangkokpost.com/thailand/general/1790204/border-on-alert-aga...