The Rakhine Buddhists and Muslims, believed to be mainly Rohingya, blame each other for the violence.
Our correspondent says Rakhine Buddhists control all the land around the camp for Rohingyas, and that bringing help is almost impossible.
Rakhine Buddhists allege that Rohingya are mostly illegal immigrants from neighboring Bangladesh.
Muslims and Rakhine Buddhists blame each other for the violence, reports say.
But the atmosphere across the state remain volatile, witnesses say, with groups of Rakhine Buddhists and Muslims launching vigilante-style attacks against one another.
Last year, hundreds of people were killed and more than 100, 000 left homeless in violence in western Myanmar between ethnic Rakhine Buddhists and Rohingya Muslims.
Hundreds of people were killed last year and more than 100, 000 made homeless in sectarian violence in western Myanmar between ethnic Rakhine Buddhists and Muslim Rohingyas.
The devastation was reminiscent of strikingly similar scenes last year in western Myanmar, where sectarian violence between ethnic Rakhine Buddhists and Muslim Rohingya left hundreds of people dead.
And in the western Rakhine state, tens of thousands of Rohingya Muslims have been displaced amid clashes with Rakhine Buddhists, violence in which some say the state is complicit.
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Longstanding antipathy toward the Rohingya erupted last year into mob violence in which Rakhine Buddhists armed with machetes razed thousands of Muslim homes, leaving hundreds of people dead and forcing 125, 000 to flee, mostly Muslims.
Thein Sein's administration, which came to power in 2011 after half a century of military rule, has been heavily criticized for not doing enough to protect Muslims or stop the violence from spreading since it began with clashes between ethnic Rakhine Buddhists and Muslim Rohingya last year.
The conflict that erupted in Rakhine involved Buddhists and Rohingya Muslims, who are not recognised as Burmese citizens.
Clashes between Buddhists and Muslims in Rakhine state have left about 140 people dead and more than 100, 000 people - mostly members of the Muslim Rohingya minority - displaced.
At least 40 people were killed in anti-Muslim riots in central Burma last month, while widespread rioting in 2012 between Buddhists and Muslims in Rakhine state left nearly 200 dead, and thousands of Rohingya Muslims displaced.
An explosion of communal violence between Buddhists and Muslims in western Rakhine state last year has spread in recent months to central Myanmar.
The scenes in Meikhtila has echoes the conflict in Rakhine state, to the south, between Buddhists and Muslims, which last year saw more than 100 people killed and 120, 000 others displaced, mostly ethnic minority Muslim Rohingyas.
Three people have been killed in clashes between Muslims and Buddhists in the western Burmese state of Rakhine, officials say.
And the government has taken some responsible steps in trying to diffuse the violence, but there are long-term structural issues that need to be addressed in terms of the recognition to the Rohingya people and the welfare generally of all Buddhists and Muslims and others living in that Rakhine state.
Violence between Buddhists and Muslims erupted in another part of Burma, Rakhine state, last year following the rape and murder of a young Buddhist woman in May.
The sectarian violence first began in western Rakhine state last year, when hundreds of people died in clashes between Buddhists and Muslims that drove about 140, 000 others, mostly Muslims, from their homes.
These sentiments echo those expressed across the country during the conflict last year in Rakhine state, on Myanmar's southwestern coast, which was also between Buddhists and Muslims.
Violent clashes between Buddhists and Muslims prompted the government of President Thein Sein to declare a state of emergency in Rakhine on Sunday, calling in the military to help impose order.
Muslims account for only 4% of the country's 60 million people, but they have been increasingly targeted by militant Buddhists, including some monks, since a series of attacks and burnings in Myanmar's western Rakhine state, which neighbors Bangladesh, last year left more than 180 dead and 100, 000 displaced, most of them ethnic Rohingya Muslims.
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