I am an Indian citizen and I booked a flight on British Airways.com for a return trip from Rio de Janeiro-via Sao Paolo- via London Heathrow-to Dubai on 11 May 2011. The local airline from Rio to Sao Paolo was on Tam airways. I got my 2 suitcases checked in all the way to Dubai at Terminal 2 of GIG (Rio) airport. At the gate (31), I was not allowed to board because the gate agent said that I needed a UK Transit Visa to make the 3 hour stopover in London. The agent at the check in didn't tell me that. I was told to wait while the flight... read full review »