SICK hoaxers have sent a handwritten note with a pizza label to the pub where murder victim Jo Yeates spent time with friends on the last night she was seen alive.

Police investigating the 25-year-old’s death took the letter away for analysis, adding to the huge amount of information they are having to sift through in the hunt for her killer.

Yesterday, detectives insisted around 80 per cent of the CCTV footage they have watched in the search for clues has been of “good quality”.

Avon and Somerset police spoke out after fears were raised the bright lights on the iconic Clifton Suspension Bridge near Bristol would have made images from its 32 cameras virtually useless.

The bridge is the most direct route between Jo’s flat and the spot three miles away where her snow-covered body was found on Christmas Day.

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Officers are also examining footage from cameras elsewhere in the city as they try to find out who killed the landscape architect, who was a pupil at Sherborne House School in Chandler’s Ford and Embley Park in Romsey and also studied at Peter Symonds College in Winchester.

Pictures have already been released showing Jo, whose parents David and Theresa live in Ampfield, on her walk home from enjoying Christmas drinks with colleagues in the Bristol Ram pub on December 17.

After leaving at 8pm she was caught on CCTV in a Waitrose supermarket, Bargain Booze off licence, and then a Tesco Express in Clifton village where she bought a pizza, which police have so far been unable to find any trace of.

She sent a text to friend Matthew Wood at 8.20pm, but the 28-year-old, who was a pupil at King Edward VI School in Southampton with Jo’s brother, Chris, didn’t respond for an hour because he was at a party.

It has now been revealed pranksters sent a pizza label with a note written on lined A5 paper ripped from a notepad to the Bristol Ram.

Landlord Alex Major said it was received on the first Monday after Christmas, four days after police appealed for information about Jo’s missing pizza.

The letter had a made-up address and telephone number written on it but had not been signed by the sender.

It mentioned different pizza toppings and used Jo’s name, but did not make direct reference to her murder.

Mr Major said: “There was a pizza label inside, but it wasn’t a Tesco label.”

An Avon and Somerset Police spokesman confirmed officers had taken the letter for analysis, and said: “We take any reports of information in relation to this inquiry seriously.

“Any leads that are provided from the public will be followed up.”