Bangladesh attack

Police cordons off area after receiving information about presence of suspected militants

Bangladesh police have been stringent action, killing 50 suspected militants since the cafe attack

Attack targeted unorthodox religious devotees known as bauls

Police also recovered hand-made bombs and bomb-making materials

The US government assesses that the terrorist threat is real and credible, says state department

Meer Hayet Kabir was hoping that his son, who was missing for the past four months, would come home on Friday

Unlike al Qaeda, IS sought to take, hold and administer large swathes of territory