A mother has slammed yobs who torched a grassy Leeds hillside which left her fearing the fire would spread to nearby properties.
Eyewitnesses say three children as young as eight set fire to dry grass at the foot of a quarry hillside - popular with young BMX bikers.
The arsonists then fled the scene before fire crews arrived to tackle the flames at Clayton Woods in Leeds which took more than an hour to extinguish.
Eyewitness Jennifer Aveyard, 35, was out for a walk with her two young children and pet dog on Wednesday afternoon when she spotted the fire raging up the hillside.
The full-time mum said: “We were over the other side of the quarry when I started to see what looked like small children setting fire to the grass.
“I went over to see if I could stomp it out but by the time I got there it was out of control.
“The children ran off and I rang the fire brigade straight away.
“It’s not something you expect to see especially by children at such a young age, they cannot have been older than eight.
“The fire was spreading up the hillside into the woods. It went up the hill quite quickly and the flames were quite high.
“The woods back on to a housing estate.”
She added: “I go for a walk in that area daily and there were some boys starting fires the previous day, throwing on aerosol cans.
“It seems to be quite a problem in that area.”
A spokesperson for West Yorkshire Fire Service said: “Cookridge fire crew attended Clayton Wood Road, West Park, at 4.49pm on Wednesday to a grass fire involving banking.
“There was limited fire spread.
“Crews used beaters to put out the fire and left at 6pm.”
A spokesperson for West Yorkshire Police said they were informed of the blaze by fire crews but will not be investigating further.