Merseyside firefighters continued to battle a blaze on Wednesday evening at an industrial estate.
Eyewitness video filmed this morning showed a huge plume of black smoke and firefighters dousing the blaze.
In a statement released at 7pm, Merseyside Fire & Rescue said: "Firefighters are currently in attendance at a fire on Sankey Valley Industrial Estate in Newton-le-Willows, St Helens.
"Crews were alerted at 11.08am and on scene at 11.15am. Four fire engines are currently in attendance.
"On arrival crews found a large fire approximately 30m x 15m. Firefighters wearing breathing apparatus are currently tackling the fire using a main branch.
"A large volume of smoke is being produced by the fire. Nearby businesses and residents should keep windows and doors closed. Anyone with existing medical conditions should keep medicine nearby and call NHS 111 if ill effects occur.
"The incident is ongoing."