DHAKA, Bangladesh (AP) — The Latest on the attack on a restaurant popular with foreigners in a diplomatic zone in the Bangladeshi capital, Dhaka (all times local):

3:00 a.m.

The U.S. State Department says it has seen the claims of responsibility by the Islamic State group for the hostage-taking in Dhaka but cannot yet confirm it.

A White House official said President Barack Obama was briefed on the attack by his chief counterterrorism adviser Lisa Monaco. The president asked to be kept informed as the situation develops, said the official, who was not authorized to speak publicly about the president's meetings.

State Department spokesman John Kirby says the U.S. is in contact with the Bangladesh government and has offered its assistance to bring those responsible to justice.

He said all official American personnel are accounted for with no injuries reported, and the department is working with local authorities to determine if any U.S. citizens and locally-employed staff were affected.

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1 a.m.

Police say two officers have been killed by attackers who stormed a restaurant popular with foreigners in a diplomatic zone in the Bangladeshi capital, Dhaka, taking dozens of hostages and exchanging gunfire with security forces.

Hospital authorities said another 25 officers and one civilian were being treated for injuries, including 10 people listed in critical condition. The injuries include bullet wounds and broken bones, they said.

The Islamic State's Amaq News Agency said the attack on the restaurant was carried out by "Islamic State commandos," according to the SITE Intelligence Group which monitors jihadist activity. Bangladesh authorities did not immediately respond to the claim.

As many as nine gunmen attacked the Holey Artisan Bakery in Dhaka's Gulshan area on Friday night.