Thieves were caught on CCTV snatching a sick child's terrified pug puppy, leaving the boy heartbroken.
Peaches, a seven-month-old pug, was bought to cheer up six-year-old Ellis Barrett after he came out of hospital in February.
He has spent the last four years having surgery after contracting septicaemia when he was scalded with hot water.
Now he has been left heartbroken by the news that his 'best friend' has been taken from him.
His mum Lucy Swift said: "He's devastated she's gone and all we want is to find her."
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Lucy, 29, worked extra shifts as a carer for the elderly until she saved the money to buy the pug, which can cost between £800 and £1200.
She said: "Ellis had been asking for a pug for months but when I saw how expensive they were I couldn't believe it.
"I worked as much as I could to get her and when Ellis came out of hospital in February I could finally give him his pug."
Peaches was stolen from the family home in Batley, West Yorkshire, on Sunday afternoon after she had been let out into the front garden.
Footage from a neighbour's CCTV camera captured two hooded men brazenly walking into garden.
They were filmed chasing Peaches as she tried to run away, before scooping her into their arms and making a getaway.
Lucy, who has another son Mason, 11, has started a Facebook page in the hope someone will recognise the stolen animal.
The 'Help my son find his pug Peaches' page is filled with photographs of Ellis with puppy and details of how to get in touch with information.
PC Nick O'Meila, from West Yorkshire Pollice, said: "Peaches is much missed by her owners and I would ask anyone who has information about her to contact us at the Batley and Spen NPT on 101. Information can also be given anonymously to CrimeStoppers on 0800 555111."