What action to be taken in response to security incident in the nursery?

In response to a security incident in the nursery, the first step is to ensure the safety of all children and staff by securing the area and evacuating if necessary. Next, notify local authorities and emergency services to assess the situation and provide assistance. It is also crucial to inform parents and guardians about the incident, providing them with clear instructions on how to proceed. Finally, conduct a thorough review of the incident to identify weaknesses in security measures and implement improvements to prevent future occurrences.