In particular , the American officials said , the authorities are investigating a possible family relationship between one of the London bombers , Mohammad Sidique Khan , and Omar Khyam Khan , a suspect in the 2004 operation .
Mohammad Sidique Khan /people/deceased_person/place_of_death London
IN JJ , DT JJ NNS VBD , DT NNS VBP VBG DT JJ NN NN IN CD IN DT NNP NNS , NNP NNP NNP , CC NNP NNP NNP , DT NN IN DT CD NN .
Mohammad Sidique Khan
PERSON
London
LOCATION
/people/deceased_person/place_of_death