At least 50 people have been killed, and a further 120 injured, after a Nigerian air force jet accidentally carried out an airstrike on a refugee camp in northeastern Nigeria.
International Committee of the Red Cross
A local Red Cross worker has reportedly been shot dead by gunmen in the town of Gao, in northern Mali.
Anti-government protesters have attacked an ambulance, killing an injured policeman, following unrest over a proposed new constitution, in Nepal.
Two staff members for the Red Cross have been reportedly shot dead, by an unknown attacker, in northern Yemen.
A Red Cross driver, who was travelling in his aid truck to Niger, has been killed by gunmen in an attack in northern Mali.