Update: At least nine men opened fire and took approximately 20 people hostage at the Holey Artisan Bakery in Dhaka, Bangladesh. The bakery is popular with expats and they could be the main targets of the attack. CNN stated that the gunmen are threw  grenades and exchanged gunfire with the police. Two police officers are reported dead. The US Embassy states that all American citizens are accounted for. The Daily Mail reported:

One local police station chief, Mohammed Salahuddin, who was earlier injured in the shoot-out, has been declared dead according to a top official at Dhaka Metropolitan Police.

A second policeman, Robiul Islam, assistant commissioner of Uttara zone Detective Branch, has also died in the shooting, top police officials confirmed.

Another 25 officers and one civilian are being treated for injuries from gunshots and shrapnel, with 10 people in a critical condition, according to hospital authorities.