at least five people have been killed in the yemeni capital sana'a when a government security forces is opened fire on a demonstration. anti-government activists were protesting against s againstaleh and beat -- against president saleh and in the city that was granted him. and portugal, a general strike being held in protest of austerity measures being introduced. public transport, schools, and hospitals are among the areas expected to be affected during the 24-hour stoppage. japanese researchers developed a substance that makes cancer cells low -- glow in minutes. they hope to be the to identify tumors that are the call to detect. the research team believes that if the agent is sprayed during surgery, more cancer becomes visible. the disaster forced hundreds of factories to close, creating havoc in the manufacturing sector and that the disrupting global supply chains. of the water is receding but maybe sometime before thailand's businesses can recover. rachel harvey reports from bangkok. >> the big clean up begins. piles of grant said robinson left behind as the water receded. lairs