DUBAI, United Arab Emirates — A ship anchored off the United Arab Emirates was seized and taken toward Iran and another was attacked and sank, authorities said Thursday, in a renewed escalation on shipping near the Strait of Hormuz. There were no immediate claims of responsibility, but the incidents came as a senior Iranian official reiterated his country’s claim to the waterway and another said it had a right to seize oil tankers connected to the U.S. The ship was seized off the east coast of the UAE and is heading toward Iranian waters, the British military said Thursday. The United Kingdom Maritime Trade Operations center said it received reports that the vessel was taken by unauthorized personnel while anchored 38 nautical miles (70 kilometers, 44 miles) northeast of the UAE port of Fujairah, near the Strait of Hormuz.…