The main suspect in two petrol bombings outside Hong Kong police stations last week was picked out by an officer and two civilian witnesses in identification parades, according to prosecutors.But Eastern Court also heard on Friday that three other witnesses were unable to identify Lucas Chong Yam-miu, 25, in the same exercise – having either picked out the wrong man or failed to identify anyone.Prosecutors were granted more time to conduct further investigations, which include examining CCTV…