But no decision is made on the nationality of the 17, who are claimed by both Turkey and China.
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.
Conflicts between Uyghurs and Chinese stem from repression, not religious radicalism, local critics say.
The men had refused to submit to a search by police.
Right groups examine such figures to see if the Chinese judicial system discriminates against Uyghurs.
Rebiya Kadeer says Zhang Chunxian’s remarks are an attempt to cover up his own failed policies in the region.
Ethnic Uyghurs were three times as likely as Han Chinese to have been killed, the group says in a report.
Dead from Feb. 17 clash include four police and four bystanders hit by indiscriminate police gunfire
Police 'manhandled' farmer in incident in Xinjiang's Hotan prefecture
A decades-old project has failed more than half the area’s population.
Two Uyghur youth were shot dead and one captured after the fatal stabbing of three security officials.
Residents of Aksu prefecture say an 85-year-old imam jailed on charges of illegal religious teaching activities and murder is in poor health.
One detainee says the refugees had to resort to the measure because they had no other choice.
The two suspects allegedly attacked Chinese police when stopped as part of security checks.
An exile Uyghur group casts doubt on official media reports of attempted suicide bombers.
Many are suffering from physical and psychological illnesses, Uyghur filmmaker says.