The arrests by Cambodia's Anti-Corruption Unit follow charges against 2 former advisers to Senate President Hun Sen
Michael Waltz is among the most hardline critics of Beijing in Washington.
President Xi Jinping calls on authorities to investigate and punish the perpetrator.
This comes as 11,000 North Koreans aid Russian troops in the war in Ukraine.
Local police reported that a small off-road vehicle drove into a crowd outside a sports center.
Phon Yuth posted messages on Facebook that were critical of Prime Minister Hun Manet.
Selina Cheng says she was fired after being warned not to run for journalists' union leadership job.
A college adventure to eat dumplings goes viral, in what could be a new form of public defiance by young people.
The air raid was aimed at civilians and has spread fear in the town under rebel control since July.
Venue cancellations reflect fears of association with the pro-democracy camp following crackdown on dissent.