Israeli intelligence officials say the leadership of Hamas , previously split between Gaza and Syria , consolidated in Damascus after the assassinations of Hamas 's charismatic leaders , Sheik Ahmed Yassin and Abdel Aziz Rantisi in 2004 .
Damascus
Syria
/location/administrative_division/country
Syria
Damascus
/location/country/administrative_divisions
Syria
Damascus
/location/location/contains
Ahmed Yassin
Gaza
/people/deceased_person/place_of_death
Syria
Damascus
/location/country/capital
LOCATION
Gaza
LOCATION
Syria
LOCATION
Damascus
PERSON
Ahmed Yassin