Gus Lamont’s parents appeal to public for information and say ‘every moment without him is unbearable’

Four-year-old’s parents say ‘even the smallest detail could give us the answers we so desperately need’

• Follow our Australia news live blog for latest updates

• Get our breaking news email, free app or daily news podcast

The parents of missing four-year-old Gus Lamont say their “lives have been shattered” as they appeal to the public for any information that could help find him.

Gus – also known as Angus – went missing from his family’s sheep station in outback South Australia on 27 September last year.