Greeks hurl stones at police who respond with tear gas outside a trade fair Saturday.<br/> Angry over an austerity program, labour unions, civil servants, students and taxi drivers gather outside fairgrounds where Prime Minister George Papandreou is speaking.<br/> Police detained 106 people as masked protesters burned trash bins, chairs and other objects.<br/> Despite public uproar, the prime minister said Greece is committed to meeting the conditions of its international bailout.<br/> (SOUNDBITE)(Greek) PAPANDREOU, SAYING (STARTS WITH WIDE CUTAWAY) :<br/> "We made a decision to wage a battle in order to avoid a catastrophe, a catastrophic bankruptcy for the country and its people, to stay in the euro, and this means difficult decisions, difficult sacrifices."<br/> Nearly two years of reforms, pay cuts and tax increases have failed to revive the economy.<br/> Senior euro zone officials have cast doubt that the country can avoid bankruptcy or stay within the euro currency.<br/> Lindsey Parietti, Reuters
