A woman had her arm slashed by a 10-year-old boy after she refused to give him a cigarette.
The woman, in her 50s, was confronted by the boy and his friend outside Selhurst railway station in south London on Wednesday.
He tried to grab a lit cigarette from her mouth and attacked her when she shouted back at the pair.
Passers-by rushed to her aid as she bled heavily from the wound which was inflicted with a craft knife or razor.
http://news.bbc.co.uk/1/hi/england/london/7525004.stm