NEW : Authorities evacuate three people as clashes erupt . at least 7,000 Thai troops are injured and at least 7,000 are killed , the military says . A French military spokesman says the cause of the clashes is unknown . Bangkok , Thailand ( CNN ) -- The fighting comes Friday after clashes in another disputed border area .
NEW : Authorities evacuate three people as clashes erupt . at least 7,000 Thai troops are injured and at least 7,000 are killed , the military says . A French military spokesman says the cause of the clashes is unknown . The fighting comes Friday after clashes in another disputed border area .