One soldier died and 20 other people were wounded, including two civilians, as suspected rebels ambushed an army patrol in Thailand's violence-stricken deep south, officials said Thursday.The Muslim-majority region that borders Malaysia has been roiled by violence for over a decade as ethnic Malay insurgents battle the Buddhist-majority state for more autonomy.More than 6,800 people have died – the majority civilians – in a conflict that grinds on far from international headlines.The att