The Prime Minister was against it 5 years ago, when he was a constituency MP, on the back benches, in a constituency that would suffer more nosie and air pollut

The Prime Minister was against it 5 years ago, when he was a constituency MP, on the back benches, in a constituency that would suffer more nosie and air pollution from another runway. And who also supported an alternative of another runway built on reclaimed land nicknamed "Boris Island".