Same situation i went through 6 years back.but i lost my purse and my phone was in that ,i asked my fellow s phone and dialed my no immidiately ,the phone was ringing as if that was telling about the thief but she left the purse on the floor and got it back.You have nt experienced the crowded bus before thats why you were not aware of it,it can be a learning for you but very expencive.