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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A derailed train at London Paddington means that trains running to and from this station are disrupted.
It will be a cloudy and in places damp start with some coastal and hill fog.
Any early rain or drizzle will soon clear and the rest of the day looks set to be dry.