that was dr gopal mehta speaking to chris slegg there.ion today, about what's being done for schools affected by the weakened concrete, raac. the public accounts committee will hold what it's calling an "unplanned session" — following concerns around its use in school buildings. ellie price reports. it is the second week of the new school year, and already, we have learned far more than what we already wanted to, about reinforced error claves aerated concrete. pupils had to delay the new start of term. buildings are going out of action. mps on the public committee will grill two top civil servants from the department for education. meg hillier said she would be seeking reassurance from the government about steps to grip and resolve the situation and prevent what she described as a crisis becoming any worse than it already was. most of the schools across the uk are not affected. 147 schools in england, two in wales and 40 in scotland have a problem with this concrete. the numbers in all the nations are expected to rise as more investigatio