London's population up by two million in 25 years

London's population has topped 8.6m, a peak it has not hit since 1939, the Greater London Authority has revealed.

The city's population has increased by nearly two million in the past 25 years.

The borough of Hillingdon has increased from 159,000 residents in 1939 to 289,000 this year, while Islington has seen the biggest reduction, falling from 343,000 residents in 1939 to 221,000 in 2015.

BBC London's political editor Tim Donovan spoke to Barney Stringer, planning consultant at Quod, Stefan Dickers of the Bishopsgate Institute and Abbas Khakoo, medical director at Hillingdon Hospital.