Police are also appealing for information about items believed to have been in Miss O'Callaghan's handbag.
Police are appealing for information after a number of valuable items were stolen from churches across North Yorkshire.
BBC: Bible stand stolen from St Peter's Church in Sicklinghall
Police vehicles in North Yorkshire will carry a poster appealing for information on the disappearance of York chef Claudia Lawrence.
After the greyhound was discovered, a local animal welfare group issued posters appealing for information and Mr Emmett confronted Gough.
Several hundred leaflets appealing for information about Mr Warwick were issued at the Cliftonville v Crusaders football match on Wednesday.
An animal charity is appealing for information after what it says is the worst case of neglect it has ever seen.
At a news conference on Thursday, Elaine's father, Jack Doyle, read a statement appealing for information to help find her killer.
Detectives are also appealing for information about a child's car seat and a hammer which they believe could help trace the gang.
Adverts appealing for information about Damien are being screened on Wightlink ferries from the anniversary week until the end of the reward period.
Police are appealing for information about the latest attack on homes - the third night in a row that such attacks have taken place.
Meanwhile, North Wales Police are appealing for information after a spate of thefts of manhole covers and scrap metal from roadsides on the island.
BBC: Anglesey manhole cover theft and sign vandalism warning
Police are re-appealing for information about the killer of a father from Wirral who was shot in front of his girlfriend and son eight years ago.
Thames Valley Police is appealing for information over the theft of an adult cocker spaniel on New Year's Eve from locked kennels in Padworth, near Reading.
Police are appealing for information.
BBC: NEWS | UK | Northern Ireland | Arrest after stabbing victim dies
Police spoke to witnesses at the scene but are appealing for more information.
BBC: Hampden Park post office in Rosebery Avenue, Eastbourne
Police in Stirling are appealing for more information following the death of an 88-year-old man following an attempted robbery last week.
Police are appealing for anyone with information about the vehicles or offenders to contact them.
Officers are appealing for people with information about the incident to contact them on 101.
BBC: Seven sheep savaged to death in Llandyrnog field attack
He added there was currently a highly visible police presence in the area, with officers appealing for anyone with information to come forward.
His family, who live in Kathmandu, Nepal are concerned for his safety, and are appealing for anyone with any information to get in touch.
Dyfed-Powys Police are appealing for anyone who has any information to get in touch.
Officers are appealing to anyone who may have information to contact them.
The Department for Education is appealing against a decision by the information commissioner, who ruled that private email accounts are subject to FOI requests when used for official business.
But those same attractions likewise make this information an even more appealing resource for law enforcement or others under the SCA. There already has been a fair amount of litigation concerning the discoverability of email.
FORBES: Information Gathering for the Google Age: Some Notes on the Stored Communications Act
The app that my group of girls created aims to prevent teenage pregnancies by providing resources and information in a format that is appealing, compelling and easy to use for teen girls.
He said officers were appealing on Crimewatch for "that vital piece of information or evidence that tells us who was responsible for this".
The purpose of the kit is to help teachers transmit scientific information and environmental knowledge to their pupils in an entertaining and appealing way.
Police are appealing for anyone who may have seen the incident in Pintail Drive, or who may have information, to contact them.
It would refrain from appealing that decision to the EU's highest court, cut royalties for rivals and hand information over to open-source developers.
Detectives are appealing to anyone who has been a victim of an offence at the school or who has further information to contact them.
BBC: Chetham's school sex inquiry: 'More than 30' report abuse
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