The screams of children allegedly murdered by their aunt's jealous ex-partner when he torched their home were today muted as footage was played to jurors. Bryonie Gawith, 29, and her three children Denisty Birtle, nine, Oscar Birtle, five, and 22-month-old Aubree Birtle, all died in a ferocious blaze in August last year. Sharaz Ali, 40, is accused of storming the property in a "revenge" attack after Bryonie's sister, Antonia, ended their "abusive" seven-year relationship. Motivated "by jealousy