![Two-storey Treforest building 'totally alight' and at risk of collapse as police say one person is unaccounted for](https://cdn.newsserve.net/ONPglobe256.png)
Two-storey Treforest building 'totally alight' and at risk of collapse as police say one person is unaccounted for
An 'explosion' was heard when the building on Treforest Industrial Estate burst into flames, sparking a huge emergency services response
Full Article