Help - BP lost in wall cavity

[ckuhn003]

I'm looking for help and advice please. Our 4 month baby managed to get under a cupboard and before I could get the cupboard moved ( it was screwed to the wall for safety), he had disappeared. There is a gap at the bottom of the skirting board and he has gone through the gap and into the space between the plaster and the breeze block. This all happened Saturday morning. We have his hide, heat mat, elec blanket, food out at various times and freshened up and water but still no sign of him. I'm past myself. Thanks everyone

Just a suggestion but when it gets dark, can you get out a hair dryer and start heating up a mouse/rat? Maybe the smell will get his attention and he'll start to show himself.