The Electoral Commission gives Labour another headache, as the Guardian's political correspondent Allegra Stratton explains.
Leader writer Julian Glover keeps you up to date with David Miliband's non-leadership campaign after an appearance on BBC Radio 2.
Radovan Karadzic appears before a court in The Hague for the first time – our Europe editor Ian Traynor describes the historic occasion.
Science correspondent Alok Jha on green crude oil - the new algae petrol.
Annie Kelly travels to south-west Ethiopia and discovers malnutrition among the fertile fields.
And Barbara McMahon is in Tonga for the king's four-day coronation.