A Peruvian security company that works for some major international mining firms faces a congressional investigation after [the National Coordinating Committee for Human Rights] accused it of beating and abusing protesters in 2005...Recently published photos [show] alleged beatings of protesters...by guards and police after a 2005 protest at the Rio Blanco mining project. The...development was protected by Forza..."The photos clearly show that personnel of Forza played an active role in the repression and torture," said Javier Jahncke at Fedepaz...Forza's press office referred Reuters to Sweden's Securitas, which bought the Peruvian company in 2007, but an official there said Forza was in charge of handling inquiries. Reuters again contacted Forza, which declined to comment...The mining project is owned by Monterrico Metals, which was bought by China's Zijin...Monterrico's investor relations manager, Andrew Bristow, was not available for comment. But when the photographs first emerged, he said the allegations were the latest in a long list of "opposition activity" meant to derail the project.