A spokesperson for South Africa's justice ministry told Reuters "no communique yet". A spokesperson for Israel's foreign ministry said he was not aware and was looking into it.
Earlier this month South Africa asked the ICJ, also known as the World Court, to order an emergency suspension of Israel's devastating military campaign in the Palestinian enclave, accusing it of carrying out a state-led genocide.
Israel dismissed the genocide allegations as "grossly distorted" and said it had a right to defend itself and was targeting Hamas, not Palestinians civilians.
In the initial ruling the ICJ will not deal with the main question of whether Israel is committing genocide. The court will just look at possible emergency measures, meant as a kind of restraining order while the court looks at the full case, which usually takes years.