The London 2012 ticketing site was showing some athletics tickets were available this morning. Previously all athletics events had been sold out.
Most of the tickets available were for the more expensive tickets, starting at £725. Some cheaper tickets - £95 and £125 - were also available.
A new Twitter account from the viewpoint of an empty seat in a spoof reaction to the furore over empty stands at Olympic venues
There is pressure to reform the Olympics, to end the scandal of empty seats.
LOCOG says it is pressing national Olympic committees to return tickets that they are not likely to use and selling them to the public.