Video filmed by Peter Cross
Around 50 firefighters are battling a large fire in Hoo near Rochester.
It broke out around half four this morning following what appears to be an explosion at an industrial building on Vicarage Lane.
One eyewitness said they heard bangs like tin cans exploding.
Dramatic pictures have been posted on social media of the moment the explosion occurred.
Video posted online by Scott Bradley and Martin Ball
There are currently no reports of any injuries.
Nearby residents are urged to keep windows closed due to the large amount of smoke.
More details as we get them.