Olympic delivery chief John Armitt is among key speakers at Building's live webinar taking place tomorrow (Tuesday)

John Armitt will reveal the latest progress on the 2012 Olympics in a free online seminar hosted by Building tomorrow.

The Olympic Delivery Authority chair will discuss the latest challenges facing the construction industry at the Challenge 2012 live webinar held at 1-2pm on Tuesday 27 January.

Also speaking will be Sport England property director Charles Johnston, who will explain how construction companies can get involved in the building of 2012 training facilities.

Westfield’s huge construction plans for Stratford will be revealed by Keith Whitmore, the developer’s UK director of design and construction.

Sign up to Challenge 2012 now and put your questions to those responsible for delivering the Games.