"We do not know with any certainty how long the baby has been there or how it has died and while I understand there will be concern in the community I want to reassure residents that we will be working hard to answer these questions.
"If anyone has any information whatsoever, regardless of how insignificant you think it might be, please get in touch.
"We are obviously deeply concerned for the welfare of the mother and if anyone has seen someone in the area or has any information about who you think the mother might be please call us."
More top news
A number of people have been injured after a building collapsed in a suspected gas explosion in Wirral
Injuries have been reported and two buildings have collapsed in an explosion thought to have been caused by a gas leak.
Dry, fine and sunny this weekend across the NW. Maybe a touch more cloud around and slightly breezier on Mothering Sunday than on Saturday