bangkok police thailand wednesday arrest woman want connection 2015 bomb bangkok kill 20 people 14 foreign tourists blast central bangkok shrine popular visitors china elsewhere asia raise fear spillover violence china western xinjiang region members uighur muslim minority oppose beijing rule group claim responsibility blast kill five people mainland china two hong kong wound 120 people thai woman suspect wan na suansan 29 arrest bangkok airport say deputy national police chief srivara ransibrahmanakul decline say arrive wan na face various charge include premeditate murder co-possession explosives weapons police say one 17 people want connection bomb question police send prosecutors srivara tell reporters bangkok national police headquarter two ethnic muslim uighur men china accuse carry bomb attack trial thailand deny charge investigators say 2015 wan na rent room bangkok one men flee country shortly attack police rule terrorism say bomb prompt crackdown human smuggle network many analysts diplomats say likely act revenge thailand deportation china 100 uighurs july year relative wan na tell reporters national police headquarter wan na want come back thailand prove innocence thailand arrest woman want deadly 2015 bomb shrine