DHAKA/NEW DELHI (Reuters) – Bangladesh, faced with the worst militant attack in its history, is probing deeper for possible ties between the men who murdered around 20 people in a restaurant and trans-national Islamist extremist groups, security officials said.
Until Friday’s attack in an upscale part of the capital Dhaka, the government had blamed two home-grown groups for mounting violence, but these were attacks on individuals, most of them with crude machetes and knives, and never a coordinated mass killing.
So the storming of the restaurant, taking diners hostages, apparently singling out foreigners for death and then fighting a gun battle to the finish marked a new level of sophistication and scale, anti-terrorism officials and security experts said.
“We cannot say immediately which group is behind this. But they were terrorists who were trained well,” said Brigadier General Naeem Ashfaq Choudhuri, director general of military operations for the Bangladesh army.
One line of inquiry being pursued is whether the attackers received any guidance from Islamic State or al Qaeda in the run-up to the attack, an official in the police counter-terrorism wing said.
Police were also looking into whether the Dhaka assault was part of, or inspired by a series of attacks elsewhere in the world including on Istanbul airport last month, he added.
Islamic State claimed responsibility for the Dhaka attack, and even while the siege was still on, the group published grisly pictures from inside the restaurant apparently sent by the assailants.
The authenticity of the images has not been established, however.
A US government source said some US government experts were now leaning towards the view that Islamic State was behind the attack, in which an American citizen was among the dead, along with at least nine Italians and seven Japanese.
Bangladesh, a pre-dominantly Muslim country of 160 million people, has long maintained that there are no foreign fighters on its soil, although some Western security experts have questioned that.
Officials have said that all seven gunmen in Friday night’s attack and overnight siege were local.
It is not yet clear whether they belonged to either of the two main domestic militant movements blamed for a spate of attacks in recent months on bloggers, university teachers and members of religious minorities.
