Have i killed my circuit breaker

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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 to a socket. We have both flavours of colour coding so obviously something got added to at some point.

As the socket is surplus to needs and the wall is about to be framed and clad she just cut back to the damage and put the wires into a round terminal block. Red+brown, blue+black etc.

We thought that would be job done but something isn't right. She can reset the trip and it stays reset but we're not getting any juice on the remaining sockets. Other circuits are fine so she hasn't blown the house fuse or totally destroyed the mcb.

I'm planning to go over tomorrow with a meter and check if we're getting output from the breaker at the board.

My question (finally) is could she have killed the breaker? Its not a particularly modern mcb so not sure if spares will be available. Any any pointers on where to look if it's not the breaker?
 
Uk, will take some pics tomorrow when i'm there. Thanks for taking the time to read
 
Could it be the first socket in a radial circuit that someone has created from an FCU
 
Could it be the first socket in a radial circuit that someone has created from an FCU
Trying to translate this into ‘mericun english, sounds like the first thing i thought of: the outlet she disabled feeds the next one down the line.
 
Trying to translate this into ‘mericun english, sounds like the first thing i thought of: the outlet she disabled feeds the next one down the line.
It could on a ring main as well but would be less likely to prevent the the rest of the sockets working.
In English English
 
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.
 

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