A 10m high stack of cardboard was on fire, but the fire service are unsure how it started.

Four fire engines rushed to the scene of a large pile of compacted cardboard on fire in an industrial estate in Purfleet.

The stack measured approximately 10m x 10m.

At 8pm, the fire was under control and two fire engines were able to leave the incident.

The fire was fully extinguished by 8:45pm. The cause of the fire is unknown.