A recently born baby was found dead at the junction of Victoria St and Old Commercial Road in Portsmouth this morning.
Portsmouth police were called to the scene at 6.18am this morning and officers continue to carry out enquiries in the area.
Detective Chief Inspector Simon Baker said: "We are extremely concerned for the welfare of the mother of this child.
"I am making a direct appeal to her to get in touch with us. I know this must be a very distressing time for you, but I want to make sure you are getting the right help and care.
"We want to speak with anyone who has concerns about someone who has recently been heavily pregnant, that you suspect may have been heavily pregnant or who has given birth very recently.
"Or maybe you have concerns for the whereabouts of a recently born baby. Anyone who contacts us can speak with us in complete confidence.
“Officers will be carrying out house to house enquiries in the Old Commercial Road area today and you will see an increased presence.
“If you have any concerns, however insignificant you may believe them to be, please do not hesitate to approach an officer or to call us."
Anyone with information should call 101, quoting Operation Cravat or 44200030626.
Alternatively, you can call Crimestoppers anonymously on 0800 555 111.
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