The BBC News Channel's chief political correspondent Norman Smith said it was no surprise the Labour leader was trying to pin the UK's economic woes directly on No 10 as all the leaders sought to gain the initiative ahead of what is being seen as a crucial week in setting the political agenda.
Each state delegation leader is provided with a special identification or pin number allowing only him or her to access the a special intranet site for delegates.
The Tory leader, who has been somewhat marginalised during this crisis, is desperate to pin the blame for the current downturn on what he sees as the government's failed policies.