Motorbike thieves told their disabled victim 'come outside and we'll kill you' as they struck at his home in South Yorkshire last night.
The 23-year-old had just returned to his flat in Swallownest, Rotherham, when he heard a knock at his door at around 10pm yesterday.
Thinking it was strange for anyone to be calling unannounced at that time, he looked out of the window and was shocked by what he saw.
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"There were three men in motorcycle helmets, one of whom was sitting on my bike and had this big keyring with lots of keys which he was using to try to get it started," said the victim, who asked not to be named.
"I had no doubt that they planned to rad my house as soon as I opened the door and to knock me out if I refused to give them the keys.
"I shouted out of the window to say I was watching them and ringing the police, to which they replied 'come outside and we will kill you'.
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"They somehow got the bike started and drove off."
The victim has a condition called postural tachycardia syndrome (PoTS), which causes his heart rate to rocket if he over-exerts himself, meaning walking just a short distance can lead to him passing out.
He described the bike as his lifeline, which prevented him being a prisoner in his own home on West Park Drive.
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"This bike was a life-changer for me because I could hardly leave my house before as even walking to the nearest bus stop would cause me to pass out. I'm desperate to get it back," he said.
He said the three men were all wearing helmets and puffer jackets, and he believes they are in their early 20s.
His bike is a black Honda CB125F, with the registration number YS67ODL and red levers and handle grips.
Anyone with information is asked to call police on 101, quoting the incident number 1131 of July 21.