Hundreds of demonstrators have gathered in Shanghai to protest against plans to open a lithium battery factory in the city. There is growing social tension over high levels of pollution in China. <br /><br />Police kept a close eye on protesters as they marched peacefully along the city's streets. <br /><br />...<br />No Comment | euronews: watch the international news without commentary | http://www.euronews.net/nocomment/
