By TARIK EL BARAKAH and ANGELA CHARLTONJuly 27, 2021 GMT This photo made available by Safeguard Defenders shows Yidiresi Aishan in Istanbul in 2019. Moroccan authorities have arrested the Uyghur activist in exile based on a Chinese terrorism warrant distributed by Interpol, according to information from Moroccan police and a rights group that tracks people detained by China. Activists fear Yidiresi Aishan will be extradited to China, and say the arrest is part of a broader Chinese campaign to hunt down perceived dissidents outside its borders. (Safeguard Defenders via AP) This photo made available by Safeguard Defenders shows Yidiresi Aishan in Istanbul in 2019. Moroccan authorities have arrested the Uyghur activist in exile based on a Chinese terrorism warrant distributed by Interpol, according to information from Moroccan police and a rights group that tracks people detained by China. Activists fear Yidiresi Aishan will be extradited to China, and say the arrest is part of a broader Chinese campaign to hunt down perceived dissidents outside its borders. (Safeguard Defenders via AP)