Bangladesh police have said security forces may have mistakenly shot dead a hostage during the Dhaka restaurant attack, believing he was an attacker.
Saiful Islam, a senior police official in Dhaka, said Saiful Islam Chowkidar, a pizza maker at the Holey Artisan restaurant, was among six men who were killed when officers stormed the eatery to end a 12-hour siege.
Twenty people, mostly foreigners, were killed when militants attacked the popular restaurant in the capital city on Friday night.
During the attack, which has been claimed by the so-called Islamic State militant group, several gunmen took a number of hostages, and reportedly tortured and killed those who could not recite verses from the Qu'ran.
Thirteen hostages were saved after police launched a rescue operation.
Most of the 20 people killed by the attackers were foreigners, among them a US citizen.
At least 13 people have been rescued following the raid, according to a Bangladeshi official.
Twenty hostages have been killed in an attack on a cafe in the Bangladeshi capital. So-called Islamic State have claimed responsibility.