A forth message from the ISIS reportedly claimed that 24 people have been killed and 40 wounded so far "including foreigners," according to SITE Intelligence.

Bangladeshi police say they have cleared a restaurant in the capital Dhaka on Saturday after an attack claimed by militant group Islamic State.

They say 13 hostages, including four foreigners, were rescued and six attackers shot dead, according to most media reports. However, the fate of other captives remains unclear.

The Dhaka Tribune reported as of 1pm Bangkok time five bodies were recovered, 18 rescued, and two policemen killed.

Bangladeshi security forces stormed a Dhaka restaurant where heavily armed militants had held dozens of people hostage for 10 hours on Saturday morning.

One video taken by a resident living close to the scene shows the fringes of the raid, where gunshots can be heard.

The Islamic State group claimed responsibility for the attack on the Holey Artisan Bakery in Dhaka's Gulshan area.

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