Police have been given a further 36 hours to question the two people arrested in connection with the disappearance of teenager Becky Watts.
A major operation is underway to find the 16-year-old who was last seen on February 19.
Officers will not be able to question the two people, who remain in custody, after an extension was granted during a hearing at Bristol Magistrates' Court today.
No details have been released about the two people or why they have been arrested.
Police investigating the disappearance of teenager Rebecca Watts were seen leaving an address near her home on Sunday, carrying what appeared to be evidence bags.
Forensics teams were seen at the house in Wilton Close, Bristol - from which a large barrel-shaped object, wrapped in black plastic, was also removed.
Police said no significant items had so far been discovered and that a laptop found in a woodland on Saturday is not related to the investigation.
Dog and helicopter teams are to rejoin the intensifying search efforts on Monday.
Police looking for missing teenager Becky Watts in Bristol are now searching three properties as officers from neighbouring forces are brought in to help.
Two people are still being questioned over the 16-year-old's disappearance 10 days ago.
Police looking for missing Bristol teenager Becky Watts have spent the day searching a house around 3.5 miles from her home.
Neighbours said officers earlier removed a car parked outside.
Becky Watts's uncle told ITV News the family remains hopeful, but are now 'running on empty'.
ITV News reporter Duncan Golestani reports:
Sam Galsworthy, uncle of missing Becky Watts, has spoken about the family's anguish as the search for her continues and they wait for news.Read the full story ›
Police are searching several locations in Bristol including a property in Southmead as they hunt for missing Becky Watts.
Neighbours say the house is occupied by two men, a woman and two young children. Another neighbour has told ITV Westcountry a black car was removed by police from the property.
Police are preparing to use a specialist dog team in another search around the area tomorrow.
Avon and Somerset Police said it is bringing in more police resources to help with the search for missing teenager Becky Watts.
In a statement the police said "a number of locations have now been searched within a 2km radius of Becky’s home address in the St George area of Bristol... but at this stage, no significant items have been identified during these searches."
It added that a "laptop computer which was found a in a local wooded area yesterday, is not related to this missing person investigation".
The two people arrested yesterday are still in police custody but no details about them have been released which is unusual reports ITV News correspondent Rupert Evelyn.
Avon and Somerset police divers have been carrying out open water searches on a lake in St George's Park close to the home of missing teenager Becky Watts.
Police from neighbouring forces have also been drafted in to help look for the 16-year-old. Two people have been arrested in connection with her disappearance.
ITV News reporter Duncan Golastani reports:
Avon and Somerset Police have decided not to release details on the suspects arrested in the case of missing Bristol teenager Becky Watts.
ITV News Correspondent Rupert Evelyn reports:
Police refuse to release details on suspects, where arrests made and what they are being questioned on suspicion of. #BeckyWatts
Becky Watts's family said they are still hopeful the teenager will be found safe but that they "will prepare themselves for the worst."
The police have told us today that two people have been arrested in connection with the disappearance of Becky.
Rebecca has still not been found. We continue to hope that she will be found safe and unharmed but we will prepare ourselves for the worst.
We would like to take this opportunity to thank everyone who has assisted in the search for Becky and for the messages of support.
We continue to work with the police to bring their investigation to a successful conclusion and we would like to ask members of the public to continue to report anything, however small, if they think it may help to find Becky.