The official says his fact-finding mission has been interrupted by surveillance, harassment, and intimidation.
The Australian Embassy in Hanoi had invited both government and civil society representatives to the conference.
An open letter says 50 years of one-party rule have failed to form a strong nation.
UN Special Rapporteur Heiner Bielefeldt is in Vietnam to assess the religious rights situation.
A pro-government online army is launching attacks on the site.
The rig had operated there for more than two months, damaging bilateral relations.
He says mass sharing of shaving razor blades may have been a reason.
She is released after serving four years of a seven-year sentence for leafleting in support of workers.
He had called online for the country's national leaders to resign.
Leaders of the two countries stick to their positions during high-level discussions in Hanoi.
Experts say the two sides will look to calm tensions in the South China Sea.
A Chinese envoy asks Ban Ki-moon to circulate documents outlining Beijing's position.
Officials accuse China of lying about the incident.
Pastor Nguyen Cong Chinh faces abuse after he calls for an improvement in prison conditions.
Ta Phong Tan and Ngo Hao are suffering in jail, their relatives say after recent visits.
Each blames the other for instigating a maritime clash that downed a Vietnamese fishing boat.
She dies after setting her self alight in downtown Ho Chi Minh City.
Among those arrested in recent days were dissidents and pro-democracy activists who were brutally beaten by police, activists say.
They say protests are at risk of boiling over if not permitted to vent.
Official media says the unrest could scare Chinese investors into shunning Vietnam.
Vietnamese police didn't halt the burning, looting, and violence soon enough, expatriates say.
Plane ticket prices rise and hundreds cross the border to Cambodia.
Violence spreads to an industrial park in central Vietnam's Ha Tinh province.
Companies from Taiwan, Japan, South Korea, and Singapore are also affected by violence directed at Chinese-owned factories.
Thousands enter industrial parks and vandalize Chinese foreign investment.
Southeast Asian nations voice 'serious concerns' over the escalating South China Sea crisis.
Vietnamese activists call for protests against Beijing over tensions in the South China Sea.
Beijing has “invested a lot of Chinese prestige” by placing a rig in contested waters, a Vietnam expert says.
The vessels were trying to stop Beijing from setting up an oil rig in disputed waters.
The move is a departure from the early release of three jailed dissidents last month.