"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."
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Frost free Sunday night but turning much colder during Monday
A man has been killed by thieves who ran him over in his own car after he confronted them outside his home, police said.
By the end of Monday a cold northerly wind, widespread frost and risk of wintry showers into Tuesday