A new approach on tackling the vast number of grassland fires that have threatened communities right across Wales has been set at a conference in Cardiff. Since the beginning of the month firefighters have dealt with 1,200 fires that were deliberately started.
South Wales Police investigating hundreds of grass fires across south Wales have arrested a number of children.
Four youths aged between 12 and 14 were arrested in Maerdy on Sunday evening and have since been bailed pending further enquiries.
In a separate matter, an 11 year-old boy was arrested in Taff; he, and others members of a group, were taken home to their parents by officers who gave them stern advice.
Deputy Chief Constable Matt Jukes has fired a "warning shot" to those intent on causing grass fires across the region.
He has promised to take robust action wherever possible on those caught setting their communities alight.
The total number of grass fires dealt with by South Wales Fire and Rescue Service are up by nearly 200% on last year, new figures show.
More than 100 blazes across Rhondda Cynon Taf and Merthyr Tydfil have been reported to police since the beginning of March.
People starting grass fires should be locked-up Wales' Public Services Minister will be told later today