Firefight follows claims that Cambodian troops burned down a Thai-built pavilion in March.
Unusually, Cambodia is naming the person they want deported; Thailand says it has yet to receive the request.
The arrest of Ouk Mao, who reported on illegal activities in Prey Lang sanctuary, is condemned by rights groups.
The officer is arrested after crashing an SUV into vehicles on a busy Phnom Penh street, killing 1 and injuring 3.
Prime Minister Hun Manet has promised to stop illegal logging, but the environment ministry blames the activist.
Documentary film tells the story of survivors as Khmer Rouge Tribunal educators travel across Cambodia.
Prominent labor leader and opposition figure is convicted of incitement; he says charge is politically motivated.
Financial challenges, authoritarian governments are sources of unrelenting pressure on independent reporting.
Hun Manet praises Thailand as PM Paetongtarn visits Phnom Penh to mark 75th anniversary of diplomatic ties.
Public-private partnership contract signed for Funan Techo Canal that would link Cambodian capital with the coast.
