Business leaders say reducing the number of night flights to London airports would be damaging to the economy.
It comes as the London Assembly has called on the Government to end the flights at night altogether.
More top news
Most of the dogs were covered in scars and were found shut inside rooms in the private living quarters.
Lord Coe's comments in an exclusive interview with ITV News will dash the hopes of London Tories.
Members of Unite at 18 companies will walk out in February.