A mine accident in the Chinese city of Baishan, near the North Korean border, has killed 12 of 13 trapped miners on Sunday, the incident is being blamed on a methane gas explosion. Former President Jimmy Carter says he no longer needs treatments for the cancer he was diagnosed with last year. Super Bowl 50-winning QB Peyton Manning says he will retire from the Denver Broncos and the NFL, ending a 18-year career with two championships and numerous AFC records. Exports of Iranian oil have reached Europe for the first time since sanctions were lifted on Tehran as part of last year's historic diplomatic nuclear deal with the West. The man responsible for the @ symbol in your e-mail address, inventor Ray Tomlinson, has died at the age of 74.