Chad says soldiers in Mali kill al Qaeda's Belmokhtar
Mokhtar Belmokhtar's death would be a major blow to Islamist rebels in northern Mali
Pakistan launches first national climate change policy
The policy, developed with the support of the United Nations Development Programme, recommends 120 steps to slow global warming and adapt key sectors of the economy
WHO, Islamic leaders summit to stop polio worker attacks
Gunmen in Pakistan and Nigeria have killed more than 20 polio health workers in the past three months