Officers are encouraging youngsters to only trick or treat at houses they know, ideally with an adult supervising.
Sex Abuse Trial Starts In Winchester
A court's heard that four men were responsible for the sexual abuse of eight child victims over a period of more than 30 years.
Paul Thomas, Jerry Lee Howe, Paul Flynn and Timothy Pittway are alleged to have committed abuse all over England after it started in 1979 with Thomas, who was the oldest and the initial attacker.
Winchester Crown Court heard the oldest of the eight victims - seven girls and one boy - was now 40 and the youngest 15 and the abuse only stopped in 2010.
Kerry Maylin, prosecuting, said:
''The victims were, the Crown say, sexually abused. They were children and some of them very young - as young as three.''
The barrister said the abuse only stopped when the alleged victims got to 16 and one of the victims was threatened with being killed.
She explained that some were very used to the abuse and ''they did as they were bid'' as the men attacked them.
The attacks were said to have taken place in Basingstoke and Bishops Green in Hampshire, Reading, Berkshire, Brixton in London and Blackpool, Fleetwood, Lytham St Annes and Darwen in Lancashire.
The four face 47 charges in total with each alleged to have abused different victims separately at different times and in different locations over the years.
One girl was seriously assaulted by Flynn and Pittway together when she was 10, the jury of four women and eight men heard.
Thomas, 50, of Western Way, Basingstoke, denies 31 counts of either sexual assault and rape of five girls and sexual assault of a boy.
Flynn, 30, of Bath Road, Reading, denies eight counts of either sexual assault and rape of four girls.
Pittway, 49, of Mermaid Close, Winnersh, Berkshire, denies one count of rape and one count of indecent assault of a girl.
Howe 40, of Dunnyshop Avenue, Accrington, Lancashire, who is also known as Stephen Ledniczky, denies six counts of either sexual assault and rape of two girls.
The trial is expected to last 12 weeks.
The Queen, Duke of Edinburgh, Prince of Wales, Duchess of Cornwall visit Poundbury in Dorset.
South Central Ambulance Service hopes it'll help save lives, of people suffering cardiac arrest.
As the evenings start getting darker, officers are urging riders to use lights and wear reflective clothing.
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