A third runway at Heathrow would triple the number of early deaths from pollution linked to the airport, a new study claims.
In contrast, moving London's main airport to the Thames Estuary would cut the number of deaths, the report by the Massachusetts Institute of Technology and Cambridge University says.
More top news
Firearms officer Martin Finney was awarded the George Medal, Britain's second highest civilian decoration.
Members of the RMT union who work on the Central Line will walk out at 9pm on Wednesday.
Southeastern was hit after a freight train derailed causing travel chaos for hundreds of thousands of passengers.