Amid a mounting political and educational crisis over schools built with reinforced autoclaved aerated concrete (Raac) from the 1950s to 1990s, the education secretary, Gillian Keegan, said it was still not known how many might be affected, and how many might need to close, with engineers still to inspect more sites.
At risk of spamming the link; Mr Slater talked about it on the Today programme here at 1:12:53