The Egyptian intelligence chief visited Israel 11 days before the Gaza massacre and warned that Gaza would explode if Israel did not change its policy
One source
What the source said
הארץ
“הזהיר כי אם ישראל לא תשנה את מדיניותה, "עזה תתפוצץ לכם בפנים”
Machine translation: He warned that if Israel does not change its policy, "Gaza will explode in your faces"
Read at הארץReported by one source so far. It is confirmed when a second, independent source reports the same thing.