Facebook Resists Inquiry Into Cambodia Voter-Manipulation Claims

• Opposition leader seeks information to fight regime’s charges • Government has called request by Sam Rainsy ‘stupid’

Facebook Inc. doesn’t want to be drawn into a political dispute between the ruling and opposition parties of Cambodia. It may not have a choice.

The global social-media network is resisting requests by a political opponent of Cambodia Prime Minister Hun Sen to turn over information that will help him fight what he calls trumped-up criminal and civil claims against him brought by the ruling regime.

Sam Rainsy, the leader of Cambodia’s National Rescue Party, has lived outside the country since 2015 amid multiple threats ...