CREATE TABLE table_15451 ("Date" TEXT, "Location" TEXT, "Nature of incident" TEXT, "Circumstances" TEXT, "Casualties" TEXT)

Name the casualities for nation of incident of hostile on 2006-06-26
SELECT "Casualties" FROM table_15451 WHERE "Nature of incident" = 'hostile' AND "Date" = '2006-06-26'
SELECT "Casualties" FROM "table_15451" WHERE "Date" = '2006-06-26' AND "Nature of incident" = 'hostile'