Police in east Baghdad have shot a black-clad woman, detonating her suicide bomb, Iraqi officials say.
An interior ministry spokesman said the woman in traditional Muslim dress, walked towards a police recruiting centre and ignored calls to stop.
Three police recruits received minor wounds from the explosion. The woman died at the scene of the attack.
Although suicide bombings are a frequent occurrence in Iraq, female bombers are relatively rare.
"Some elements of the mechanized brigade saw a suspicious woman and ordered her to stop, but she didn't respond and approached the recruits, so they opened fire on her and she exploded," a police spokesman said.
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Baghdad checkpoint