Four townships in central Myanmar under a state of emergency , the president says . The military has been deployed to quell unrest and restore order. The U.S. ambassador to Myanmar , Derek Mitchell , said Thursday that he was `` deeply concerned '' about the reports of violence . Clashes started with a dispute between a Muslim shop owner and Buddhist sellers . Last year , ethnic violence in western Myanmar left scores of people dead .
Four townships in central Myanmar under a state of emergency , the president says . The military has been deployed to quell unrest and restore order. Clashes started with a dispute between a Muslim shop owner and Buddhist sellers . Last year , ethnic violence in western Myanmar left scores of people dead .