a newborn baby was found at silcock 's amusement arcade in nevill street , southport , hours before she was discovered .
merseyside police released an image of a woman they were looking to trace after a newborn baby was found at silcock 's amusement arcade .
sniffer dogs had been deployed in the area after the discovery in the disabled toilets of an arcade .
amusement arcade employee christina hodskinson found baby april when a colleague said the toilets needed cleaning .