▁Gab on . ▁Two ▁other ▁phone ▁calls ▁threaten ing ▁an ▁im min ent ▁attack ▁were ▁received ▁by ▁the ▁United ▁States ▁Information ▁Service . ▁During ▁a ▁ra inst orm ▁about ▁ 8 : 1 5 ▁that ▁night , ▁a ▁small ▁bomb ▁expl oded ▁outside ▁the ▁emb ass y . ▁The ▁explos ion , ▁which ▁occurred ▁at ▁a ▁time ▁when ▁the ▁building ▁was ▁closed ▁and ▁locked , ▁resulted ▁in ▁damage ▁to ▁the ▁emb ass y ▁sign ▁and ▁the ▁crack ing ▁of ▁two ▁windows . ▁▁ ▁Following ▁the ▁bomb ing , ▁French ▁Gab on ese ▁made ▁more ▁threaten ing ▁phone ▁calls ▁to ▁the ▁emb ass y . ▁A ▁second ▁bomb ▁expl oded ▁roughly ▁ 5 0 ▁feet ▁from ▁the ▁emb ass y ▁two ▁night s ▁later , ▁causing ▁no ▁damage . ▁A ▁drive - by ▁shooting , ▁during ▁which ▁at ▁least ▁five ▁r ounds ▁of ▁bu ck shot ▁were ▁fired ▁from ▁a ▁ 1 2 - g au ge ▁automatic ▁shot gun , ▁r idd led ▁the ▁second ▁story ▁windows ▁with ▁over ▁ 3 0 ▁holes . ▁William ▁Court ney , ▁the ▁American ▁charg é ▁d ' aff aires , ▁noticed ▁two ▁Europe ans ▁in ▁a ▁Sim ca ▁autom obile ▁drive ▁past ▁the ▁emb ass y ▁at ▁roughly ▁ 9 : 2 0 ▁PM , ▁one ▁hour ▁before ▁the ▁shooting ▁and ▁bomb ing . ▁An ▁un named ▁American ▁official ▁said ▁that ▁he ▁saw ▁a ▁car ▁circle ▁the ▁emb ass y ▁ 1 0 ▁minutes ▁after ▁the ▁bomb ing . ▁Two ▁Gab on ese ▁polic emen ▁were