Africa A brief look: UN says Nigerian oil pollution worse than first thought 2 min 0 By Simon Allison
Politics 30 April: Japan issues arrest warrant against head of anti-whaling group 4 min 0 By Branko Brkic
Politics 29 April: US Coast Guard says sunken Gulf of Mexico rig leaking much more oil than previously thought 4 min 0 By Branko Brkic
