A man who allegedly tried to murder his ex-partner ended up killing her sister and her three children in a house fire, a trial has heard. Prosecutors told a jury that Sharaz Ali was "motivated by jealousy and fuelled by drink and drugs" when he set fire to Bryonie Gawith's home early on 21 August last year. Jurors heard that Ali went to the property, on Westbury Road, Bradford , aiming to "take revenge" on his ex, Antonia Gawith, who was staying there after ending their "abusive" seven-year