Fires were started deliberately on a mountain where crews have been tackling a blaze since the weekend. The fire at Llanwonno, near Ferndale in the Rhondda Valley, began on Saturday afternoon with emergency services still at the scene. South Wales Fire and Rescue Service (SWFRS) said there were reports of "deliberate fire setting" on the mountain on Monday, while firefighters continued working to contain the blaze. "There were reports of deliberate fire setting on the mountain [on Monday night]," they said. "Firefighters worked throughout the night in challenging conditions to tackle the fire and protect properties."