However, the allegations were rejected by Win Myaing, a government spokesman for Rakhine state, AP news agency reported.
Earlier such mortal carnage took place in the Rakhine-Rohingya areas near the Bangladesh border.
The recent violence in Burma's Rakhine state makes it even more unlikely that they can return.
The Rakhine Buddhists and Muslims, believed to be mainly Rohingya, blame each other for the violence.
Ethnic conflict in western Rakhine state has left more than 100, 000 Muslim Rohingyas displaced.
On Myebon peninsula, south of the Rakhine state capital Sittwe, the double standards are clear.
Many Rohingyas have fled Burma's Rakhine state as deadly clashes flared earlier this year.
Tension remains high between the Buddhist Rakhine and minority Muslim Rohingya communities in the state.
The men were convicted of raping and killing a Buddhist woman in Rakhine state last month.
There was no apparent direct connection between the Meikhtila violence and that last year in Rakhine state.
Activists have criticised the state of emergency, saying it hands control of Rakhine state to the military.
For too long, the people of this state, including ethnic Rakhine, have faced crushing poverty and persecution.
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But some parts of the country are still hit by conflict and unrest, most recently Rakhine state.
The conflict that erupted in Rakhine involved Buddhists and Rohingya Muslims, who are not recognised as Burmese citizens.
They have been displaced since violent clashes between Rakhine's Muslim and Buddhist communities in June and October 2012.
Some 300 houses in a number of villages have been burnt down, Rakhine's attorney general told BBC Burmese.
The policy applies to two Rakhine townships that border Bangladesh and have the highest Muslim populations in the state.
The U.N. humanitarian office held emergency meetings in Yangon and Sittwe, the capital of Rakhine state, over the weekend.
Last week another boat carrying Rohingya Muslims fleeing violence in western Burma's Rakhine state sank in the same area.
Officials said there were no new reports of violence since Friday and that they have restored order in Rakhine.
The latest clashes began late on Sunday night in villages in Rakhine's Min Bya township, eyewitnesses told the BBC.
President Thein Sein declared a state of emergency in Rakhine on 10 June.
The estimated 45, 000 refugees living in Sittwe, Pauktaw, Myebon and Kyauktaw in Rakhine state are the "most vulnerable, " it added.
Three people have been killed in clashes between Muslims and Buddhists in the western Burmese state of Rakhine, officials say.
In the most recent clashes, some Rohingya have accused the security forces of siding with the Rakhine and shooting at Muslims.
Our correspondent says Rakhine Buddhists control all the land around the camp for Rohingyas, and that bringing help is almost impossible.
The recent and ongoing human rights and humanitarian crisis in Rakhine State is likewise more than just a matter of law.
Other U.N. agencies have expressed strong concern about the humanitarian situation for the displaced in places like Rakhine state and central Myanmar.
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Rakhine Buddhists allege that Rohingya are mostly illegal immigrants from neighboring Bangladesh.
During the latest unrest in Rakhine, which began last week, more than 21 people have been killed, according to Myanmar state media.
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