The head of the UN's shipping agency says sea mines still make the Strait of Hormuz unsafe, after Iran said two oil tankers struck mines Saturday. Iran's top security official called Washington's latest response in talks "insufficient," while Iran's foreign minister said Tehran's seven-day plan to reopen the strait is still on the table.

Twenty Senate Democrats, including Chuck Schumer, are demanding that Attorney General Todd Blanche explain the Justice Department's decision to stop enforcing the federal ban on licensed dealers selling handguns to 18- to 20-year-olds. The move follows a Sept. 17 Office of Legal Counsel opinion calling the 1968 law unconstitutional as applied to young adults. The senators want the legal basis and a list of affected cases by Nov. 16.

China's military said it sent naval forces to track the USS Charleston after the warship entered waters near Sabina Shoal in the South China Sea, calling it an illegal intrusion. The Philippines, which also claims the shoal, said the U.S. ship did not trespass. The same day, Taiwan's Coast Guard reported a standoff with a Chinese Coast Guard ship near the Pratas Islands. Here is what each side said.