Myanmar brought ashore more than 700 "boat people" it had kept at sea for days aboard a seized vessel, as the United States on Wednesday called on the country to help solve a migrant crisis by recognising the rights of its Muslim Rohingya minority. The 727 migrants were found drifting in the Andaman Sea on Friday in an overloaded fishing boat that was taking on water. Myanmar's navy brought the vessel to the coast of western Rakhine state, where they disembarked on Wednesday. Scores of migrant men were sat on the ground at the landing spot near the town of Maungdaw, close to the border with Bangladesh, a Reuters witness said. Others assembled inside a warehouse, and all were being watched over by dozens of police, the witness said. There were no aid personnel yet at the site, he added. Many of the more than 4,000 migrants who have landed in Indonesia, Malaysia, Thailand and Myanmar since the Thai government launched a crackdown on people-smuggling gangs are Rohingya who say they are escaping persecution.