A chief inspector at Greater Manchester Police has appealed for information to locate the parents of the newborn baby found dead on a lane in Bolton.
Carol Martin said:
I cannot begin to imagine what either parent may be going through and we are very worried about their physical and emotional state.
It is likely the mother in particular will require some form of medical attention and I want to appeal directly to both parents or anyone who knows them to contact police or visit your GP or local hospital.
It is vitally important that I stress support networks are in place and are waiting and on hand to help the parents.
More top news
Oscars 2017: Watch the Academy Awards nominations live
Hull City midfielder Ryan Mason is making "excellent progress" after suffering a fractured skull at Chelsea.
HSBC is to close 62 branches across the UK in 2017, the bank said.