Toxic waste sites exposed in Michael Sheen documentary are 'tip of the iceberg'

One scientist says there are thousands of sites across the UK that need investigating.

Nation.Cymru staff A senior MP has called for greater action to tackle the legacy of contaminated land in Wales following Michael Sheen’s investigation into toxic waste sites. Ruth Jones, Labour MP for Newport West and Islwyn and chair of the Welsh Affairs Committee, said the BBC documentary Buried with Michael Sheen h