A 15-year-old boy has been sentenced to life with a minimum term of 15 years for killing a father of three in east London. James Markham, a 45-year-old stonemason, was stabbed when he brandished a drill bit at a group of youths who had shouted at his daughter. He was wounded in the back, armpit and chest, fatally piercing his lung. Passing sentence at the Old Bailey, Judge John Hillen told the...