Police remain at Roadford Lake in Lewdown, Okehampton, following an incident yesterday [Wednesday 8 June] where a boat capsized in the water.
Police-led searches have recommenced today, Thursday 9 June, and efforts continue to locate two missing people.
Two people were removed from the water and taken to Derriford Hospital for treatment. One person has since been discharged and one person remains in hospital in a critical condition.
Two other people were removed from the water and checked by ambulance teams before being discharged at the scene.
Officers are supporting the families of all those involved.
The lake will remain closed for public access for the foreseeable future and localised road closures remain in place at the activity centre to allow access for the relevant emergency services.