Description:Greek demonstrators attacked police with stones on Sunday (February 19) during a protest by citizens groups opposed to the government's economic reform policies. Police responded by firing teargas at the protesters outside the Greek parliament and detained several of the protesters. Demonstrators had gathered to protest against austerity measures on the eve of talks in Brussels on a 130 billion euro (171 billion U.S. dollars) bailout needed to avert bankruptcy.(1:19)