Concrete: Urgent safety review of public buildings needed, says expert
A senior engineer says there needs to be an urgent safety review of all public buildings in Wales to see if they contain reinforced autoclaved aerated concrete (RAAC).
"We need to find out the extent of the problem," Keith Jones, director of the Institution of Structural Engineers said.
Two schools in Anglesey have been closed after the material was found.
Wales' Education Minister insisted on Monday that schools in Wales were safe.
"We can't really begin to move forward until we know the full extent of this," Mr Jones said.