Prince Norodom Ranariddh, head of the royalist Funcinpec party, also made an appearance in Kompong Cham.

CNN: A VOTE FOR PEACE

Bun-Ly's slaying heightened tensions in a capital already troubled by a quarrel between Ranariddh's royalist FUNCINPEC party and Hun Sen's Cambodian People's Party.

CNN: An editor's murder highlights political tensions

But a complicating factor is that his party is allied to Funcinpec through the National United Front, formed early last year.

CNN: A VOTE FOR PEACE