HANOI - A United Nations representative on a fact-finding mission in Vietnam has found evidence of serious violations of religious freedoms.

Heiner Bielefeldt, , said at a Thursday press conference in Hanoi that some of the people he wanted to meet during his 10-day fact-finding mission were under heavy surveillance, intimidated or prevented from travelling by police.

In Vietnam, Religious Freedoms Violated, UN Finds

“I was eyewitness to some acts … of intimidation, harassment [and] monitoring of private conversations,” Bielefeldt told journalists, declining to share details at the news conference.

In Vietnam, Religious Freedoms Violated, UN Finds

Religious groups must register with the government to meet. Currently, Vietnam has roughly a dozen , with 37 affiliated religious organizations, up from 34 in 2010.

In Vietnam, Religious Freedoms Violated, UN Finds

Violations of religious freedom particularly affect independent groups of Buddhists, including Hoa Hao-Buddhists, as well as the Cao Dai religion, some Protestant communities and activists within the Catholic Church, Bielefeldt said.

However, even people from government-sanctioned groups such as the Fatherland Front reported problems or an awareness of them.