mystery leak

[birdhouse]

my kitchen was flooded with water coming through ceiling.the obvious source would be the bathroom which is abpve the kitchen but could not find any leak even when water supply turned back on .

 

[Deleted member 120897]

Ok a little vague, but I guess that’s prompts questions.

1. The ceiling flooded - after use of sanitary ware, eg bath, basin, shower?
2. Has the leak now stopped?
3. How badly flooded?