Huge plumes of smoke could be seen for miles as firefighters tackled a blaze in Wirral.
Thick black smoke was sent billowing across Birkenhead from around 1pm today (Tuesday, July 6).
Merseyside Fire and Rescue Service confirmed three fire engines were sent to the waste water treatment plant owned by United Utilities on Shore Road.
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They say the fire relates to an "industrial chimney on Shore Road".
At this stage it is not clear how the fire started or if any road closures are in place.
People living close to the area were advised to shut all windows and doors due to the large volume of smoke.
Merseyside Fire & Rescue Service said: "Anyone with existing medical conditions should keep medicines nearby and call NHS 111 if ill effects occur.
"Please avoid the area."
Members of the public have been taking images of the smoke as showing big clouds of it in the air and seen from Liverpool.
This is an ongoing incident and you can keep up to date with our live blog.