NAVI MUMBAI, May 25 -- A woman and a teenage girl, related to each other, died in a massive pile-up on the Mumbai-Pune Expressway on Saturday, when a speeding trailer lost control and caused six other vehicles to collide. The accident - involving the trailer, four cars and two buses - took place at 4:00pm near Khopoli. The deceased were Ashwini Akshay Haldankar, 30, and Shreya Santosh Avatade, 17, residents of Kolhapur and Ghatkopar respectively. They were travelling from Kolhapur to Mumbai, with five other family members in a hatchback car. The driver of the hatchback, Akshay Haldankar, is in stable condition in Jakhotia Hospital in Khopoli. Four other injured passengers, including two young children, have been admitted to MGM Hospital in Panvel. One passenger is said to be in critical condition. P3...