Grass fires hit south and west Wales 3 April 2013 Last updated at 07:44 Firefighters across south and west Wales have tackled around 125 grass fires after sunny weather returned. Crews were called out to Morriston, Pontardawe, Swansea and Llanelli on Tuesday between 11:30 BST and midnight. The biggest fire was on the Gwrhyd mountain at Pen Y Rhiw, near Pontardawe, where over nine acres (4ha) of forestry had been alight. Meanwhile South Wales fire crews will return to reinspect a seven acre (3ha) site at New Tredegar on Wednesday.