Chennai: The Bangalore-Guwahati Express which was hit by twin bomb blasts here left on its onward journey after railway authorities replaced three damaged coaches. The train departed at 12.15 pm after police who undertook extensive searches cleared it, Railway authorities said. The railways replaced S3, S4 and S5 coaches which had suffered damages following the blasts caused by low intensity bombs. Some of the passengers were complaining that their belongings have been stolen after they left the train after the explosions.