C-H,
It must be worrying, replacing one of them
fuses, are they High Rupturing Capacity?.
Have you ever heard of anyone beng injured when replacing these fuses, with a serious fault on the circuit?.
BTW, that panel has been REALLY hot during the fire, you can tell by the white discolouration at the bottom of the picture,
I'd say 4-500 deg C, at a guess. [Linked Image]
There's a FEW people that I would love to show this pic to!. [Linked Image]