'Two groups' starting Worksop fires, say police

Two groups of people are starting fires in a town and "putting lives at risk", Nottinghamshire Police believe.
At least 18 fires have been fought in open spaces across Worksop in the past two weeks, including five incidents in just over two hours on Monday evening.
Nottinghamshire Police said it was "actively investigating" the series of fires.
Bassetlaw Inspector Rob Harrison told the BBC on Friday Worksop residents would see a "visible presence" in an attempt to stamp out the arsons.
He said the force believed "two groups" in the Worksop area were behind the spate of fires.
"Most of them are hedges and grass fires which spread rapidly, especially with this nice weather we're having," he added.
"We're putting in extra patrols, you'll see a visible presence around the affected areas, working through CCTV, working with local partners and fire and rescue services to get to the bottom of what's happened."

While no-one has been hurt, newly installed play equipment has been damaged, and those living nearby have been left worried.
Nottinghamshire Fire and Rescue Service has called on Worksop residents to report anyone starting fires, and to take care.
Bassetlaw district manager Adrian Brizzolara said: "We are asking everyone to be extra cautious - the hot, dry weather means even a small spark can turn into a large fire within minutes.
"Wildfires can spread rapidly, which we have seen recently in Worksop, and as such, it poses a serious risk to people, wildlife and property."
Bassetlaw District Council has said it was "extremely shocked and disappointed" at damage being caused to its open spaces.

Insp Harrison called on the perpetrators to "stop immediately".
He said: "You're putting lives at risk, it's extremely dangerous, it's causing untold damage to local parkland, golf courses, play equipment, and it's only a matter of time before something more tragic happens."
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