Thanks everyone for the the tips, seems we did actually kill the breaker, no output from it on the board, luckily we sourced a spare and all is operating as it should now.
Hi folks, hoping for some pointers.
My daughter drilled through her socket ring main ( someone ran the wires across the wall ♂️ under the plaster). She'll be buying a good detector very soon, but enough of the 'i told you so'.
The wires were running from the ceiling down and across the wall...