Residents in the area are evacuated as a large fire breaks out at industrial units, where a fertiliser explosion occurs, according to reports. Fire crews respond to the incident and tackle the blaze at the scene. The Evening Standard says about 100 firefighters are involved in the firefighting operation. The report also indicates that some firefighters are expected to remain at the location overnight as crews continue to control the fire and manage any ongoing risks associated with the materials involved. While details on the exact location, number of people affected, or extent of injuries are not provided in the excerpts, both reports describe the same core events: an industrial-unit fire, a fertiliser blast during the incident, and the evacuation of nearby residents. The incident is treated as a significant emergency, with sustained operational presence by the fire service overnight.