As a minimum 12 human beings had been killed and dozens wounded in an explosion at a mosque in the afghan province of khost, officials say.
Humans had accrued for afternoon prayers on the mosque, which turned into also getting used as a voter registration centre.
Some of the injured are stated to be in a critical condition.
No institution has claimed responsibility but the islamic country group has done similar assaults inside the past.
There had been some of assaults on voter registration centres because the manner started ultimate month for october's parliamentary elections.
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On 22 april, a suicide bomb assault at a voter registration centre in the capital kabul killed at least 57 humans.
The kabul assault turned into claimed through is, however the taliban has also warned people no longer to take part inside the elections, that are said to be a key take a look at of president ashraf ghani's credibility.
