Brazilian environmentalist Sirkis killed in car crash

Environmentalist Alfredo Sirkis, a founder of Brazil's Green Party and a tireless campaigner for policies to curb climate change, died on Friday in a car crash, television network TV Globo said.Sirkis, 69, was killed when the car he was driving hit a post on a highway outside his hometown Rio de Janeiro, broadcaster TV Globo reported, citing firemen at the crash.A former leftist guerrilla, Sirkis was involved in the kidnapping of foreign diplomats to secure the release of political prisoners dur