Titanic: Grandson tells of officer Harold Lowe who returned for survivors

The grandson of an officer on the Titanic who was the only one to return in a lifeboat to try to rescue survivors speaks about his ancestor.

Harold Lowe, born in Barmouth, Gwynedd, was fifth officer and in charge of a lifeboat on the night the ship sank after hitting an iceberg a century ago.

John Lowe tells of what his grandfather did, and how he is remembered.