One police official says the attackers were angry about restrictions placed on the wearing of veils and beards.
Authorities, who suspected them of being terrorists, confirmed the incident this week.
The fate of the refugees remains uncertain more than a year after their detention.
Authorities have not compensated the family for his death or rescinded the promotion of the policeman who killed him.
He was brought in for questioning while visiting relatives in Xinjiang.
He gave the facilities to Han Chinese migrants from outside the region.
Authorities have warned residents of the county where the incident occurred to not talk about it.
The reaction prompts hospital authorities in Guangxi to cancel the warning.
The former imam with a history of conflicts with authorities spoke ‘out of line’ with government policies.
A relative and former local official says the incidents destroyed his family.
Residents are ordered to watch the ‘consequences’ of pursuing unofficial religious studies.
But no decision is made on the nationality of the 17, who are claimed by both Turkey and China.
The residents were involved in providing religious instruction or sending their children to attend classes.
Strong winds help spread the blaze, leaving seven dead and eight injured in Karamay, sources say.
A group of Uyghurs snatched him from his home two weeks ago.
They had reportedly hacked a paramilitary chief, two of his family members, and a security guard to death.
Two others are wounded after the attack targeting Han Chinese bystanders.