Charlie Sarell, regional organiser for Unison is "not confident" that public want private firms to help police.
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A dry bright and sunny start for most on Saturday. Some scattered showers will develop inland through the late morning.
A cold and frosty start to Saturday, though with some sunny spells. Showers then breaking out by afternoon.
A police chief has admitted his force were wrong to try to keep the identity of a Polish sex offender secret.