Up until Tuesday , the police had seemed to discount any suggestion that the attackers might be suicide bombers -- an idea that would almost certainly deepen apprehensions among Britons used to perceiving such attacks as a phenomenon of the Middle East or Iraq .
Middle East /location/location/contains Iraq
IN IN NNP , DT NN VBD VBN TO VB DT NN IN DT NNS MD VB NN NNS : DT NN WDT MD RB RB VB NNS IN NNS VBN TO VBG JJ NNS IN DT NN IN DT NNP NNP CC NNP .
Middle East
LOCATION
Iraq
LOCATION
/location/location/contains