CLEAN : Authorities give update on Salisbury incident (2)

A multi-agency response was activated involving Public Health England, NHS, and local authorities in Swindon and Wiltshire. The Metropolitan Police's counterterrorism network is leading the investigation due to its expertise, though it is not declared a terrorist incident. Authorities are keeping an open mind about the incident. Emergency services personnel were assessed immediately after the event.

What is the current status of the investigation as per the authorities?

What type of personnel were assessed immediately after the incident?