PC Stephen Carroll is the first policeman to be killed in Northern Ireland for over a decade. Henry McDonald gauges reaction to his murder by the Continuity IRA in Craigavon, County Armagh. Do the attacks herald a return to the bad old days of the Troubles? Guardian columnist Jonathan Freedland gives his view.
If Barack Obama commits America to the deep carbon cuts needed to tackle global warming, he'll face a revolution, Rajendra Pachauri, head of the Intergovernmental Panel on Climate Change, tells environment correspondent David Adam.
Police are investigating a suspected £40m mortgage fraud involving more than 500 properties. Crime correspondent Sandra Laville says the economic downturn and the slump in the property market makes cases of mortgage fraud more common.
Edzard Ernst, professor of complementary medicine at Peninsula Medical School in Exeter, claims that Prince Charles is promoting "quackery" with a £10 detox product sold by his Duchy company. He says it's "a dangerous waste of money" and that Charles was misleading people and ignoring science.
