LUCKNOW, Aug. 28 -- At least three people were killed and 20 others injured, five of them critically, when a speeding truck rammed into a private passenger bus parked by the roadside on the Purvanchal Expressway in Sultanpur early Thursday, police said. The accident took place around 5:30 am near milestone 96.6 in Baldirai police station area, around 35 km from the Sultanpur district headquarters. The passengers were travelling from Gurugram to Bihar, with many heading home for Raksha Bandhan. The deceased were identified as Shyamlal Mandal, 42, Vinod Mandal, 50, of Gurugram, and Kiran Devi, 60, of Bihar. HTC...