The daughter of a Second World War RAF pilot who reprimanded a teenager who she accused of vandalising a war memorial has been convicted of assault (edit)But Mrs Lake was arrested after giving a boy, whom she believed to be the ringleader, a talking-to and a 'cuff round the ear'.She tackled him after she saw at least one youth riding a BMX bike through freshly-laid flower beds.Magistrates heard that when she grabbed his shirt collar, he said: 'That's assault'. (edit) 'I lost my temper in frustration after two years of trying to get something done and immediately the police...