A speeding tractor trolley knocked down and killed a 32-year-old woman on a bike in the Baghbanpura Police Area while she was on her way to a graveyard to visit her parents’ grave on Monday. The deceased was identified as Uniba Ismail, a resident of Ferozpura Ravi Road. The police said Uniba’s parents had died one after another a few months ago. Uniba learnt how to drive a motorcycle to visit her parents’ grave. She was on her way to the graveyard on Monday on her cousin’s motorcycle when a speeding tractor knocked her down. Uniba sustained multiple injuries and died instantly due to excessive bleeding.