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.
More top news
A group of pug lovers have gathered in the Cotswolds to stage a walk in aid of a charity which helps re-home pugs and pug-crosses in need
Police have launched a murder investigation after they were called to Huish Court in the early hours of Saturday morning.
28-year-old Aaron Kennett fraudulently issued refunds on bank cards for sales that did not exist.