Rwanda-backed rebels advance into eastern DR Congo's second major city of Bukavu

In tonight's edition: Nearly three weeks on from their seizure of Goma, M23 rebels continue their advance to the Congolese city of Bukavu. The conflict is high on the agenda for the African Union summit this weekend as the heads of 55 member states from across the continent gather in Addis Ababa. Plus: from invasive bugs to toxic pesticides, Kenya's roses are facing some thorny issues this Valentine's Day.