Detectives were today following up some of the 50 calls they have received from the public in the hunt for the killer of schoolteacher Jane Longhurst.

Officers were also continuing house-to-house calls in the area around Wiggonholt Common, near Pulborough, where her burning body was found on Saturday evening.

The calls came in response to a media appeal yesterday by Detective Chief Inspector Steve Dennis.

He said today: "There is a lot of work to be done and officers on the team will be working around the clock to find Jane's killer.

"The search of the area where Jane's body was discovered will continue today, as will routine inquiries such as speaking to people who live locally.

"The biggest thing that we need from the public is information. Someone must have seen something on Saturday night in the Wiggonholt area that didn't seem quite right.

"We appealed yesterday for the owners of three cars that were seen to come forward, but as yet have not heard from them. We'd like to renew that appeal today."

The cars in question were a Renault Espace with the partial registration L960 *RX; an old red car which may have been a Volkswagen; and a Ford Focus, either brown or dark green.

Mr Dennis said: "It may be that the people with these cars didn't see anything but we would still urge them to make contact with us.

"Something that seems small and insignificant could hold the key to finding the person that carried out this horrific murder.

"We continue to support Jane's family and partner through this terrible time, and want to catch Jane's killer to bring some justice to them."

Jane, a music teacher at Uplands special school in Brighton, went missing from her home in Shaftesbury Road on March 14.

Police say she was strangled and kept for several weeks before the killer, probably panicking, took her body to Wiggonholt and set it alight.

Anyone with information should call Sussex Police on 0845 6070999.