Advertisers noticed that Facebook had halted the ability to deliver ads on Friday, October 14. King Bhumibol Adulyadej died at the age of 88 on October 13.
This is the first time Facebook has halted ads in an entire country.
News via http://uk.businessinsider.com/facebook-pauses-ads-thailand-king-bhumibol-adulyadej-2016-10
Update on ad delivery in Thailand
Out of respect for the passing of Thailand's King Bhumibol Adulyadej, we’re temporarily not showing ads in Thailand. We apologize for any inconvenience and appreciate your support of the Thai community during this period of mourning.
Note that ads will continue to deliver as normal in other countries, and that advertisers in Thailand can continue to run ads outside of Thailand.
Note that ads will continue to deliver as normal in other countries, and that advertisers in Thailand can continue to run ads outside of Thailand.
Facebook FAQ: Help Center