The man looking at the future of airport expansion in the South is answering questions on the issue today.
Chairman of the Airport Commission, Sir Howard Davies, is looking at whether Gatwick should have a second runway, Heathrow a third or whether a new airport should be built in the Thames estuary.
The event is the first public discussion of the Commission's thoughts since its launch in November 2012.
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Any lingering showers clearing into tonight with a mostly dry but chilly night ahead. A cool but sunny start to Sunday.
Further heavy showers gradually clearing away this evening. Dry but chilly tonight, then dry with plenty of sunshine tomorrow.
Heavy showers turning potentially thundery this afternoon. Becoming dry but chilly tonight, then dry and sunny tomorrow.