The family of 30-year-old Australian Luke Costanzo are ‘hoping for a miracle’ after catastrophic flooding swept through the Nepal-Tibet border region, with no word from him for nearly a week. Luke Costanzo was travelling with a group that last made contact at the Gyirong Port border crossing between China and Nepal. Key points and original sources are listed below.

• The family of 30-year-old Australian Luke Costanzo are ‘hoping for a miracle’ after catastrophic flooding swept through the Nepal-Tibet border region, with no word from him for nearly a week.S1

• Luke Costanzo was travelling with a group that last made contact at the Gyirong Port border crossing between China and Nepal.S2S3