He said arrangements are now in hand for the urgent examination of the records on the files to determine whether there is any reason why they should not be released for public inspection.

BBC: Missing arms files turn up

"Where schools must close, they are advised to consider what distance learning or self-study arrangements can be made for pupils in year 10-13, in order to minimise disruption to examination courses, " a Welsh government spokesman said.

BBC: Wales snow: Neighbouring Caerphilly schools open and shut