beijing china say tuesday urge thailand quickly bring justice 20 ethnic uighur muslims china break thai detention center hole wall use blanket climb grind twenty-five uighurs dig cell wall break tile make dramatic escape center thailand southern songkhla province near border malaysia early monday tuesday 10 catch leave 15 whose whereabouts still unknown accord thai police say checkpoints set along border escape part last remain group 200 uighurs detain thailand 2014. members group identify turkish citizens ask send turkey 100 forcibly return china july 2015 move spark international condemnation include right group fear could face torture china chinese foreign ministry spokesman lu kang say china would continue strengthen cooperation thailand detainees escape closely follow situation china already urge relevant thai department quickly bring relevant people justice say regular news brief years hundreds possibly thousands turkic-language speak uighurs escape unrest china western region xinjiang travel clandestinely via southeast asia turkey chinese government blame violence xinjiang majority han chinese uighurs separatist islamist militants though right group exile say anger strict chinese control religion culture uighurs blame exile ethnic uighur leader rebiya kadeer call thailand country may find uighurs treat accord international law hand china uyghurs take risk capture perhaps harsh repercussions try save indefinite detention thailand deportation china kadeer say email release world uyghur congress head whether indeed turkish nationals claim chinese nationals china claim fact ethnic uyghur enough face persecution harsh punishment say kadeer former political prisoner china accuse leak state secrets 1999. late allow leave medical ground live unite state amnesty international say chinese authorities recent months detain 30 kadeer relatives china routinely deny accusations right abuse xinjiang though admit problem torture detainees pledge stop mistreatment prisoners border central asia afghanistan pakistan region one china sensitive domestic issue government dramatically ramp police operations set critics characterize re-education camp oppressive surveillance china urge thailand find muslim uighurs quickly dramatic cell break