News At Seven-Thirty highlights: Donald Tsang was found having illegal structures in his flat; government wants to open up the textbook market; Ethnic Mongolians used internet to rally people to join mass protests in Inner Mongolia; shops in Taiwan are required to remove food products containing clouding agents from shelves; European health authorities are not sure what caused the E.coli outbreak; Bosnian Serb military leader Ratko Mladic could be extradited to a U.N. tribunal; mothers of those killed in June 4th incident said authorities talked about compensation to 1 family; Urban Renewal Authority unveiled the details of a new redevelopment scheme; Philips recalled 2 models of hair dryers; Broadcasting Authority approved TVB’s change in share structure.