Searches have continued over the weekend along the River Tamar for 16 year old Jordan Cobb without success.
Police are asking the public not to carry out their own searching so that resources can be concentrated where they are most needed.
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Hundreds of police jobs are at risk in the region as Dorset and Devon and Cornwall forces agree to pool resources.
Ofsted unveiled a damning report today which uncovered "serious and widespread failures" when it comes to looking after vulnerable children.
A ban on growing genetically modified crops is to be lifted next week. But opponents say it could threaten the future of organic farms.