Thailand's Constitutional Court declares February's national election null and void.<br/> <br />The poll's been ruled invalid because voting didn't take place in 28 southern districts where candidates were blocked from registering by anti-government protesters.<br/> <br />It's unclear when a new election might take place.<br/> <br />If a new one is organised the protesters say they'll disrupt it again.<br/> <br />The latest twist comes just days after the government lifted a state of emergency in Bangkok to curb political protests.<br/> <br />The demonstrators have been trying since November last year to oust Prime Minister Yingluck Shinawatra.<br/> <br />For now she heads a caretaker administration with limited powers.<br/> <br />She's facing a string of legal challenges which could bring her down including charges related to a rice subsidy scheme that owes money to thousands of farmers.
