BANGKOK/DHAKA (Reuters) - Myanmar’s army chief should be prosecuted for genocide against the Rohingya Muslim minority, a U.N. human rights investigator said, adding that holding perpetrators to account for crimes was necessary before refugees who fled the country could return.

Yanghee Lee talk to reporters during Reuters interview in Bangkok, Thailand January 18, 2019. REUTERS/Soe Zeya Tun

Yanghee Lee, the United Nations’ Special Rapporteur on Human Rights in Myanmar, was speaking during a trip to Thailand and Bangladesh, where she met officials and Rohingya driven out of western Rakhine state after an army crackdown in 2017.

“Min Aung Hlaing and others should be held accountable for genocide in Rakhine and for crimes against humanity and war crimes in other parts of Myanmar,” said Lee, who is barred from the country, referring to the military’s commander-in-chief.

Her interview marked the first time Lee has publicly called for the army chief to be prosecuted for genocide. A U.N. fact-finding mission on Myanmar last year said that the military campaign, which refugees say included mass killings and rape, was orchestrated with “genocidal intent” and recommended charging Min Aung Hlaing and five other generals with the “gravest crimes under international law”.

Since August 2017 some 730,000 Rohingya have fled Rakhine to Bangladesh, where they now live overcrowded camps.

“For any repatriation to happen ... the perpetrators must be held to account, because sending the refugees back with no accountability is going to really exacerbate or prolong the horrific situation in Myanmar,” Lee told Reuters in an interview in Thailand on Jan. 18. “And then we’ll see another cycle of expulsion again.”

Spokesmen for Myanmar’s military and government could not be reached for comment. The country has previously denied almost all allegations made by refugees against its troops, who it says were engaged in legitimate counterterrorism operations.

LEGAL ROUTES

The U.N. Human Rights Council in September voted to approve the establishment of an “ongoing independent mechanism” for Myanmar that would collect, consolidate, and preserve evidence of crimes that could be used in an eventual court case.

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Lee said the independent mechanism would provide funds for “victim support”, including money for criminal cases.

Myanmar has said it “absolutely rejects” that the International Criminal Court (ICC) has jurisdiction to rule on its actions. The country is not a party to the Rome Statute that established the Hague-based court.

Non-parties can be referred to the ICC by the U.N. Security Council, though diplomats have said permanent members China and Russia would likely veto any such move. Britain has been drafting a Security Council resolution on Myanmar, but diplomats told Reuters in December it did not include a referral to the ICC.

Legal experts say other options for an international prosecution include referral by individual U.N. member states – five Latin American states recently successfully referred Venezuela – or an ad hoc tribunal.

CAUTION URGED ON ISLAND PLAN

Lee’s trip to the region this week included visits to Cox’s Bazar, in southern Bangladesh, where the camps housing Rohingya refugees are located, and Bhasan Char, a remote island in the Bay of Bengal where the Bangladeshi authorities have been building new temporary accommodation for them.

Bangladesh says moving refugees to Bhasan Char - whose name means “floating island” - will ease chronic overcrowding in the existing camps. But some humanitarian groups have criticised the plan, saying the island is vulnerable to frequent cyclones and cannot sustain livelihoods for thousands of people.

Speaking at a news conference in Dhaka on Friday, at the end of her trip, Lee called on the Bangladesh government to consult with the U.N. and humanitarian agencies before any move to Bhasan Char, which she said should not be done in haste.

“There should be no rush to relocate refugees, such as before the monsoon season which is one of the possibilities that has been outlined to me,” she said.

“The island’s isolation does particularly trouble me, especially in the event of cyclones or other natural disasters.”

(This version of the story corrects ‘Security Council’ to ‘Human Rights Council’ in eighth paragraph)