JERUSALEM (JTA) — Egypt has postponed indirect cease-fire negotiations that it was scheduled to host in Cairo Monday between Israel and the Palestinians.

The postponement, announced Sunday, was attributed to a terror attack in the Sinai Peninsula Friday that left more than 30 Egyptian soldiers dead, according to reports.

Following the attack, Egypt closed the Rafah crossing, the only border crossing with Gaza not controlled by Israel.

Egypt’s National Defense Council declared a three-month state of emergency in areas near the borders with Israel and the Gaza Strip.

Egyptian President Abdel-Fattah al-Sisi said that the assault on an army checkpoint in the Sinai was a “foreign-funded operation.”

The continuation of the talks are part of the temporary cease-fire that ended Israel’s 50-day Gaza operation in August.