2009 G20 London summit London Summit and to co-ordinate their actions. The meeting was organised at the initiative of German Chancellor Angela Merkel. The leaders agreed that markets, financial institutions and the wide range of financial assets they create, and hedge funds should be subject to appropriate control. In addition, they called for effective sanctions against tax havens. They also agreed to impose sanctions against countries that intend to undermine their work. Finally, they advocated the doubling of funds available to the IMF. Finance ministers and central bankers of the G20 met in Horsham on 14 March 2009 to prepare for the London Summit.
2010 G20 Toronto summit Lula da Silva cancelled his trip to remain in his country due to the then-recent flooding in northeastern Brazil; in his place, Guido Mantega, Brazil's finance minister, headed the nation's delegation. After the G8 summit in Huntsville, Ontario ended, Cameron, whose aircraft was grounded due to weather conditions, shared transportation to Toronto in Marine One with US President, Barack Obama. Major protests occurred in downtown Toronto during the week of the summit, which abruptly escalated during the days of the summit. Early opposition to the G20 included an incident in Ottawa where a bank was firebombed by anarchists, who claimed