1. Corporate Level: Oasis Service Providers：Corporate Clinical Psychologists Service Scope： Establish Committee on CIPS: Advise the development and strategic planning of CIPS Provide training on CIPS: Organize professional training, drills and supervision for CIPS Centre Managers (Social Workers) and CIST Members Consultation on critical incident services: Clinical Psychologists chair the Critical Incident Service Planning Meeting to assess service needs and plan services based on staff's needs with the involved departments Provide individual crisis interventions: Provide psychological first aid services to affected staff Provide group crisis interventions: e.g Crisis Management Briefing – Clinical Psychologists introduce common stress reactions, coping strategies and available resources to affected staff after critical incidents Arrange family crisis interventions: Provide critical incident support services to the family of staff Provide grief support services: Oasis, CIPS Centres and CISTs provide grief support services to affected staff and department e.g. setting up memorial service or memorial corner 2. Cluster Level: CIPS Centres Service Providers：CIPS Centre Managers (Social Workers) Service Scope： Arrange psychological triage Provide counselling services Organise psycho-educational talks and groups Assist in providing critical incidents services and grief support services Assist in organising activities on prevention and promotion in psychological health Manage Psycho-educational Resources Library Render executive support to Clusters Staff Psychological Services Clinics and CISTs *Note：A CIPS Centre is eatablished in each cluster. 3. Hospital Level: CISTs Service Providers：CIST Members (who are hospital staff from various disciplines) who are trained and supervised by Oasis Service Scope： Provide peer emotional support Assist in providing critical incident services and grief support services Provide short-term follow-up and referral services Organise staff psychological caring activities Assist in organising activities on prevention and promotion in psychological health *Note：A CIST is established in each hospital.