Norwegian Cruise Line passengers were stranded on a small African island after missing a deadline to re-embark

• A couple says they were stranded on an island after missing their cruise ship's boarding time.
• They were on a tour of São Tomé and Príncipe with six others, per US local media. It overran.
• The stranded group flew to Gambia on Sunday, hoping to catch the ship at another port.

A couple says they were stranded on a small African island after they missed a cruise ship's boarding deadline, according to local media.