A huge cannabis farm containing more than 400 plants was discovered in a house after police were called to reports the door had been damaged.
Officers arrived in Markfield Road, Bootle, at around 7.25am on Thursday, November 19.
When they entered the property, 446 cannabis plants in total were found, along with growing equipment.
Neighbours reported being woken up by loud banging and officers shouting.
A large police presence remained at the scene all day, while a mobile police station was set up outside.
One woman said: “There has been police guarding a house down my road since the early hours this morning.
“There is a massive hole in the front door of the house and there is also a mobile police station outside now.”
An investigation is ongoing and anyone with information is asked to get in touch with police.
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