"It is vital the public knows what happened and the world knows what happened in Rakhine and who was responsible", Secretary of State for Foreign Affairs Boris Johnson told Reuters in Kutupalong refugee camp in Bangladesh.
Speaking ahead of talks on Sunday with Aung San Suu Kyi, Burma's leader, the Foreign Secretary, described how on Saturday he witnessed the "horrendous" living conditions of members of the largely Muslim minority group living in camps in neighbouring Bangladesh.
The meeting followed Johnson's visit to a refugee camp in Bangladesh's Cox's Bazar district, where almost 700,000 Rohingya have sought sanctuary after fleeing a Myanmar army crackdown launched in northern Rakhine last August.
The refugees also narrated to the United Kingdom minister the challenges they were facing in the camps.
Two Reuters journalists now in detention in Myanmar were arrested by authorities there because they were investigating a mass execution of minority Rohingya Muslims in the country's Rakhine state, the news agency has said.
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The minister has delivered a speech involving the necessity of finding a solution for the issue following his meeting with Bangladeshi Prime Minister Sheikh Hasina and Foreign Minister Abul Hassan Mahmud Ali. "We need to make those points together to the government in Naypydaw", he said.
Human rights organisations have documented widespread abuse by the Myanmar Army against the Rohingya, including murders and rapes, during its military campaign against the minority, which the United Nations has described as a "textbook example of ethnic cleansing".
And the refugees are anxious about the conditions and their rights upon their return.
Boris Johnson meets Aung San Suu Kyi in Myanmar's capital of Naypyitaw.
In November, Bangladesh and Myanmar signed an agreement to begin repatriating Rohingya refugees by the end of January, but Dhaka suspended it at the last minute. It is looking at the problems in Rakhine state.
Mr Johnson stopped off in Myanmar on Sunday, during his four-day tour of Asia to hold the top level talk with Burma's de facto leader.