1 March 2015 Last updated at 15:16
Becky Watts search: Police call in further support
Rebecca Watts was reported missing 10 days ago
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The search for 16-year-old Becky Watts from Bristol is being intensified, according to police.
More resources are being called upon in the search for Becky, reported missing from her home in the St George area of the city on 19 February.
Detectives are still questioning two people arrested on Saturday in connection with her disappearance.
Meanwhile, police say a laptop computer found by search teams in woodland on Saturday is not related to the inquiry.
A search team arrived at Royate Hill allotments in Fishponds on Sunday
A number of locations have been searched within a 2km (1.4 mile) radius of the family home in Crown Hill.
Avon and Somerset Police said it was now running six specialist search teams, including officers from Wiltshire, Devon and Cornwall and Gloucestershire forces.
On Monday the police helicopter will be involved again, as will a dog unit from South Wales Police.