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1.
potentially any association of people with a common set of goals, who are politically active as such. However, pressure groups are usually understood to be more grassroots and issue-oriented, rather than interest-oriented (so they are not quite the same as a lobby). Hence, pressure groups are likely to include groups opposed to human rights violations and neighborhood "renewal" projects.
The London-based pressure group, Survival International, called on oil companies to immediately withdraw from Peru, describing the incident as "the Amazon's Tiananmen" and accusing security forces, who have since imposed a curfew over the region, of burying and burning corpses to hide the scale of the killing.

"Peruvian Indians are being driven to desperate measures to try to save their lands which have been stolen from them for five centuries," said the director of Survival, Stephen Corry. "This is the Amazon's Tiananmen. If it finishes the same way, it will also end Peru's international reputation."

M@RCONECTADO, "The jungle massacre: Peru's tribal chief flees country" (11 June 2009)
by Abu Yahya June 12, 2009