Part of Sheffield Care Trust.  The Crisis Assessment Service is operational when most mainstream mental health services are closed.  The service will see people in their own homes, or at the GP Co-operative/Healthcall headquarters.  Offers a mental health assessment with strategies to manage immediate crisis.  The service has access to emergency respite accommodation and a team consultant who will see people following intervention by the team.  The service also arranges referrals to mainstream services where specialist help can be arranged.  The service can only be accessed by a GP, emergency GP, an Accident and Emergency Department or other health care workers (no self referrals).