BP was working to remove the failed blowout preventer from its ruptured well — a key step towards killing the well and salvaging evidence that could help in the inquiry into the disaster. BP - Blowout preventer - Gulf of Mexico - Relief well - Macondo Prospect
Iranian authorities have arrested 23 journalists and bloggers since post-election protests began a week ago, according to a media watchdog that says reporters are a "priority target" for Iran's leadership.
