Two teenagers ‘killed grandmother in firework blaze’

Two teenagers killed an 88-year-old grandmother when they posted a firework through her letterbox, a court heard. Josephine Smith died in the fire caused by Kai Cooper, 19, and a 15-year-old boy, who had been ‘terrorising’ Romford in east London, jurors were told. Mrs Smith, a Blitz survivor and grandmother of seven, lived alone and was upstairs sleeping in Queens Park Road when the 15-year-old posted the firework on 28 October 2021, a week before Bonfire Night. Cooper is said…