CLEAN : At least four dead in Leicester explosion

The transcript discusses the current status of a situation involving a fire and potential casualties. It provides contact information for concerned individuals and details the ongoing firefighting and rescue efforts. Specialist teams, including search dogs, are on-site to locate any further casualties. The operation is still in the rescue phase, and a thorough investigation will follow to determine the cause of the explosion and fire.

What are the possible causes of the incident as mentioned in the text?

What will be conducted to investigate the incident?