Militants attacked a provincial government building in eastern Afghanistan on Sunday, killing at least ten people, officials said.
A group of heavily armed insurgents stormed the provincial Revenue Department in Jalalabad, starting a stand-off with security forces. Fourty-two people were also wounded.
Inamullah Miakhel, a local health department spokesman, said at least six people had been killed in Sunday's attack and around 30 wounded had been brought to city hospitals, the number of casualties could rise with the battle still going.
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Airport officials confirmed that the suspect had indeed stuffed something into the wall, and contacted the police and bomb squads. It was said that he was taken into custody at least twice before, under the state's Baker Act for mental evaluations.
Security forces and attackers are now fighting each other.
No group has claimed responsibility for the attack yet. More explosions were heard later coming from inside the building, the official added.
Taliban militants and fighters of Islamic State outfit have presence in Nangarhar province, some 120 km east of Kabul.
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Dusan Tadic's corner was flicked goalwards by the head of Maya Yoshida, but Claudio Bravo produced a good save to keep it out. The old record was held by Liverpool , who collected 98 points in the 1978-79 season (adjusted to three points for a win).
April saw a series of attacks across the country targeting voter registration centres as Afghanistan gears up for long-delayed legislative elections due in October. Officials are concerned that a low voter turnout will undermine the credibility of the poll.
However, the Taliban is now taking part in its annual spring offensive and has launched a number of attacks in recent weeks.
But the Islamic State group has also stepped up their attacks in recent months, particularly in Kabul.
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Iranian media described the Israeli attack as "unprecedented", but there was no official Iranian comment on Israel's claims. Israel bombed weapons storehouses, logistics sites and intelligence centers, as well as Syrian missile defense systems.
Past year the United States increased its support to struggling Afghan forces, announcing plans for thousands of additional advisers and more air strikes in an effort to force the Taliban to enter peace negotiations.