Update at 03:45am: 

People in the Crete Hall Road, Gravesend area, are no longer being advised to keep their windows and doors closed.

Crews have now extinguished approximately 100 tonnes of scrap metal.

There was no reported injuries. The cause is not yet known.
 

Initial update:

People around the area in Crete Hall Road, Gravesend are being advised to keep their windows and doors close due to smoke coming from a Recycling site. 

Please share this with loved ones and neighbours in the local area who may not have access to the internet.

Five fire engines are in attendance.