Killings have surged at a huge refugee camp in Syria housing Islamic State sympathisers, prompting warnings it is the "womb" for a new generation of extremists.
Gulf War syndrome, which has left a quarter of a million veterans suffering long-term illness, may have been caused by exposure to sarin nerve agent - not debris from depleted uranium munitions, a study...
An emotional Serena Williams left her news conference in tears after facing questions about her future following defeat in the Australian Open semi-final.
